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xU Kj tif ÉidÆ miuthî neu« 10 ÃÄl§f vÅ, mj Éidntf kh¿È : (m) 6.93 × 102 min-1 (M) 0.693 × 10-2 min-1 (ï) 6.93 × 10-2 min-1 (<) 69.3 × 10-1 min-1 Tk JffS¡fhd olh ÉisÉF fhuz« : (m) xË c¿Rj (M) xË Éyf (ï) xË¢ájw (<) ÄRik ïU¥gjh _y¡T¿D ÃfG« Hãiz¥ãfhd rhW : (m) o - ie£nuh Õdh (M) m- ie£nuh Õdh (ï) p - ie£nuh Õdh (<) Õdh ïu¤j« ciwjiy C¡FÉ¡F« nr®k« : (m) K2SO4.Al2 (SO4)3.4Al (OH)3 (M) K2SO4.Al2 (SO4)3.24Al(OH)3 (ï) K2SO4.Al2 (SO4)3.4H2O (<) K2SO4.Al2 (SO4)3.24H2O N 2+3H 2 l 2NH 3 vw rkÃiyÆ mâf msî m«nkhÅah »il¥gJ : (m) Fiwªj mG¤j« mâf bt¥gÃiy (M) Fiwªj mG¤j« Fiwªj bt¥gÃiyy (ï) mâf mG¤j« Fiwªj bt¥gÃiy (<) mâf mG¤j« mâf bt¥gÃiy ilbk¤â <Çiza ãô£il mÛÅ IUPAC bga® : (m) 2-mÄndh-3-bk¤â ãô£nl (M) 2-(N-bk¤â mÄndh) ãô£nl (ï) 2-(N, N ilbk¤â mÄndh) ãô£nl (<) 2-(N, N ilbk¤â mÄndh) ònuh¥ng fnyhÇ Û£l®f jahÇ¡f gagL« ïilÃiy¤ jÅk« : (m)Cr (M) Ni (ï) Zn (<) Cu 2H2O(g) + 2Cl2(g) l 4HCl(g) + O2(g) vw rkÃiy¡F:
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F¿¥ò : (i) mid¤J Édh¡fS¡F« ÉilaË¡fî«. (ii) bfhL¡f¥g£l ehF ÉilfË Äfî« Vòila ÉilÆid nj®ªbjL¤J F¿p£Ll ÉilÆidí« nr®¤J vGJf.
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11. ml® HNO3 kW« ml® H2SO4 fyitíl mÅnrh jUtJ: (m) M®njh ie£nuh mÅnrh (M) ghuh ie£nuh mÅnrh (ï) M®njh kW« ghuh ie£nuh mÅnrh (<) bk£lh ie£nuh mÅnrh 12. NaCl gof¤â Na + maÅia NªJs Cl maÅfË v©Â¡if : (m) 6 (M) 8 (ï) 4 (<) 12 13. fh¥g® rng£ Ú®¡fiurYl mâf cgÇ msî KCN nr®¡F« bghGJ cUthF« nr®k« : (m) Cu2 (CN)2 (M) K2 [Cu(CN)6] (<) Cu2 (CN2) + (CN2) (ï) K[Cu(CN)2] 14. òuj§fË f£Lkhd _y¡TWf: (m) a - iA£uh¡Ì mÄy« (M) a - mÄndh mÄy« (ï) b - iA£uh¡Ì mÄy« (<) b - mÄndh mÄy« 15. C2H5OC 2H5, CH 3 OCHCH 3 btË¥gL¤J« kh¿a« : |
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19. (M) Kp > Kc 1 (ï) Kp< Kc (<) Kp = Kc 9. fiu¥gh ft® Tk¤âF rhW: (m) fiu¥ghÅ cs cnyhf« (M) ÚÇ cs rg® 20. ( ï) b#yh£o (<) Fe (OH)3 Tk« 10. Ñ¡f©ltW vJ xË¢RHᥠg©òilaJ? (m) CH3CH2COOH (M) HOOCCH2COOH (ï) CH3CH (OH) COOH (<) Cl2CHCOOH [1] (m) Kp = Kc
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(m) Éid¢bra bjhFâ (M) ïiz kh¿a« (ï) ïl« (<) r§»È¤ bjhl® ~gh®khoiAil gygoah¡»dh »il¥gJ: (m) ghuh~gh®khoiAL (M) ghuhoiAL (ï) gh®kÈ (<) ~gh®Ä¡ mÄy« mÛfË fhu¥ g©ãF¡ fhuz« : (m) ehK» mik¥ò (M) ie£u# mQ ïU¥gjh (ï) ie£u#ÅYs jÅ vy¡£uh ïu£il (<) ie£u#Å ca® vy¡£uh ft®jik Ãfu mQ¡fU Rikia ãtU« ________ th¥gh£o _y« fz¡»lyh«: (m) Z* = S Z (M) Z* = Z + S (ï) Z = Z* S (<) Z* = Z S Ñ¡f©ltW vâ ågoth¡Fj bra ïiy? (m) Tkkh¡»ia gagL¤Jj (M) bllh cUthj (ï) gofhu¤ij gagL¤â FoÚiu öikah¡f (<) lhÅid gagL¤â njh gjÅLj U 235 c£fU xU Ãô£uhid c¿á 54Xe139, 38Sr94 92 kW« x ÉisbghU£fis¤ jU»wJ. ïâ x vgJ : (m) 2 Ãô£uhf (M) 3 Ãô£uhf (ï) a - Jf (<) b - Jf
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2_
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32. fh®gÅ maÅah¡F« Mw nghuhid Él mâf« V? 33. ãs«ngh rhtá g¿ F¿¥ò vGJ. 34. H4P2O7- vy¡£uh òË th¥gh£oid tiuf. 35. ïilÃiy¤ jÅk§f cnyhf¡ fyitfis cUth¡FtJ V? 36. Fnuh«Kyh« óRj g¿ áWF¿¥ò tiuf. 37. 13 Al 27 + 2 He 4 2 14 Si 30 + 1 H 1 + Q vw c£fUÉidÆ Q kâ¥ig¡ f©l¿f. 27 4 30 1 13 Al , 2 He , 14 Si , 1 H , M»at¿ rÇahd Ãiwf Kiwna 26.9815 amu, 4.0026 amu, 29.9738 amu, 1.0078 amu MF«. 38. mâÄfl¤âfË VnjD« _W gafis vGJf. 39. v£nuhã vwh vd? mj myFfis¡ TW. 40. ärh£Èa® bfhifia¡ TWf. 41. nghÈ Kj tif Éid vwh vd? vL¤J¡fh£L jUf. 42. m®ëÅa° rkgh£oid vGâ És¡Ff. 43. Tkkh¡f vwh vd? vL¤J¡fh£L jUf. 44. bAl®r rkgh£o _W K¡»a¤Jt¤ijí« vGJf. 45. ïdánahk® kW« lah°oÇnahk®fË VnjD« _W ntWghLfis vGJf. 46. MfAhiy »Ç¡dh®L fu¡F fiu¥ghdhf gagL¤j KoahJ, fhuz« TW. 47. blhYåÅÈUªJ bgir MfAh vthW jahÇ¡f¥gL»wJ? 48. nuhrk©£ xL¡f« vwh vd? mâ BaSO4 nr®¥gj neh¡f« vd?J? 49. Û¤ij raidL má£likLÈUªJ vthW jahÇ¡f¥gL»wJ? 50. fhãÇna jhÈikL bjhF¤j g¿ vGJf. 51. rha§fË VnjD« _W áw¥ãaòfis vGJf.
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26. Ñ¡f©ltW vJ v£nuhãia mâfÇ¡fhJ? (m) fiurÈ cs R¡nuhir gofkh¡Fj (M) ïU«ò JUão¤j (ï) gÅ¡f£oia Úuhf khWj (<) fóu¤ij gj§fkh¡Fj 27. b#£ ïaªâu ghf§f jahÇ¡f gagL« Mg- cnyhf¡fyit vJ? (m) 3 % ÄZ cnyhf« kW« 0.1 % Zr. (M) 30% ÄZ cnyhf« kW« 1% Zr. (ï) 30% ÄZ cnyhf« kW« 0.1 % Zr. (<) 3% ÄZ cnyhf« kW« 1% Zr. 28. M¡nrh ne® maÅfis cUth¡Fgit : (m) yhªjidLf (M) M¡oidLf (ï) caÇa thí¡f (<) fhu cnyhf§f 29. iA£nuhFnshÇ¡ mÄy¤ij nrhoa« fh®gnd£Ll ju« gh®¡F« nghJ gagL¤j¥gL« Ãw§fh£o : (m) bgh£lháa« bg®kh§fnd£ (M) Õdh¥jä (ï) Õdh át¥ò (<) bk¤â MuR 30. v¤âä »is¡fh PI3 cl ÉidòǪJ jUtJ : (M) CH2= CH2 (m) ICH2 CH2I (ï) CH2 = CHI (<) ICH = CHI
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21. ie£nuh Û¤njid Zn/NH4Cl bfh©L xL¡»dh »il¥gJ : (m) CH3NH2 (M) C2H5NH2 (ï) CH3NHOH (<) C2H5COOH 22. uh¥ãndhi[ ÚuhgF¤jh »il¥gJ: (m) ïu©L xiw r®¡fiu (M) _W xiw r®¡fiu (ï) xU ïu£il r®¡fiu kW« xU xiw r®¡fiu (<) ïu©L xiw r®¡fiu kW« xU ïu£il r®¡fiu 23. mizî v© ehF bfh©l nr®k¤âfhd rhW : (m) K4[Fe (CN)6] (M) [Co (en)3] Cl3 (ï) [Fe (H2O)6]Cl3 (<) [Cu (NH3)4] Cl2 24. ouî£l ÉâÆÈUªJ ÉyfilªJs Ú®k« : (m) iA£nuhFnshÇ¡ mÄy« (M) rãôÇ¡ mÄy« (ï) gh°ghÇ¡ mÄy« (<) má£o¡ mÄy« 25. sp2 ïd¡ fy¥ig¥ bg¿U¡fhj maÅ ________.
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F¿¥ò : (i) VnjD« gâidªJ Édh¡fS¡F ÉilaË¡fî«. [15 × 3 = 45] (ii) xbthU ÉdhÉF« xW myJ ïu©L th¡»a§fË ÉilaË¡fî«. 31. bArg®¡ ÃiyÆyh bfhifia vGJf. www.surabooks.com
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F¿¥ò : xbthU ãÇÉÈUªJ« Fiwªjg£r« ïU Édh¡fis¤ nj®ªbjL¤J VnjD« VG Édh¡fS¡F ÉilaË¡fî«. [7 × 5 = 35]
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52. nlÉr kW« b#®kÇ nrhjidia ÉtÇ. 53. m®#il£ jhJÉÈUªJ át® vthW ãǤbjL¡f¥gL»wJ? 54. yhªjidL FW¡f¤â Éisîfis vGJf. 55. j¡f rhWfSl mizîkh¿a« kW« maÅahj kh¿a§fis És¡Ff.
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56. f£oyh Mw G- áw¥ãaòf ahit? 57. PCl 5 áijtilí« Éid¡F K p kW« kh¿ÈfS¡fhd rkgh£oid tUÉ¡fî«.
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58. ÉidtifÆ áw¥ãaòf ahit? 2 59. 0.01 M Cu 2+ -I¡ bfh©oU¡F« Cu (aq) /Cu (s) miufy¤â e.m.f. = +0.301 V. ïj â£l e.m.f. -I¡ fz¡»Lf.
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60. mnuhkh£o¡ kW« mÈ~gh£o¡ <j®fS¡»ilna cs ntWghLf Iªâid¤ jUf. 61. ãtU« Éidfis vGJf. (i) »skr xL¡f« (ii) bg®»° Éid 62. fh®gh¡áÈ¡ mÄy«, MfAhYl òÇí« v°luh¡Fj ÉidÆ tÊKiwia vGJf. 63. ka¡f kUªJf g¿ áWF¿¥ò vGJf.
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F¿¥ò : (i) bkh¤j« ehF Édh¡fS¡F ÉilaË¡fî«. [4 × 10 = 40] (ii) Édh v© 70-¡F f£lhakhf ÉilaË¡f¥gl nt©L«. ÛjKs Édh¡fË VnjD« _W Édh¡fS¡F ÉilaË¡fî«.
70. (m) C6H6O vw _y¡TW th¥ghL bfh©l nr®k« (A) eLÃiy bg®Ç¡ FnshiuLl Cjh Ãw¤ij jU»wJ. nr®k« (A) CHCl3 kW« NaOH cl fh¢R« bghGJ ïu©L Inrhk®f (B) kW« (C) ia¤ jU»wJ. nr®k« (A) cl ilanrhÛ¤nj fhu¡fiur nr®¡F«bghGJ (D) vw <jiu jU»wJ vÅ (A), (B), (C) kW« (D)-I¡ f©l¿ªJ Éidfis vGJf. (M) (A) vw MuR át¥ò Ãw gof«, xU tÈik ÄF M¡á#nd¿. nr®k« (A), bgh£lháa« FnshiuL kW« ml® rãôÇ¡ mÄy¤Jl ÉidòǪJ, ÃwKs thí (B) ia btËÉL»wJ. KOH cl (A) ÉidòǪJ (C) vw kr Ãw fiur bgw¥gL»wJ vÅ (A), (B) kW« (C) -ia¡ f©l¿ªJ Éidfis vGJf. (myJ) (ï) C2H4O vw _y¡TW thghLila nr®k« (A), C2H3 N vw _y¡TW th¥ghLila nr®k« (B) ia <jÇ fiu¤J SnCl2 kW« HCl cl xL¡f« brJ jahÇ¡f¥gL»wJ. nr®k« (A) lhy° fuÂia xL¡F»wJ. xU JË ml® H 2 SO 4 nr®¡F«nghJ nr®k« (A) gygoah¡fY¡F c£g£L tisa nr®k« (C) I¤ jU»wJ vÅ (A), (B) kW« (C)-ia¡ f©l¿ªJ Éidfis vGJf.
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64. (m) ghȧ KiwÆ maÅ Mu¤ij fz¡»L« Kiwia És¡Ff. (M) caÇa thí¡f uh«n[-uhny KiwÆ vthW fh¿ÈUªJ ãǤbjL¡f¥gL»wd vgij ÉtÇ. 65. (m) ïizâw ãiz¥ò bfhifia gagL¤â [Ni(CN) 4] 2 ilah fhªj¤ jik bfh©lJ, [Ni(NH 3 ) 4 ] 2+ nguhfhªj¤ jik bfh©lJ vgij Ã%ã. (M) fâÇa¡f fh®g fhy îza Kiwia És¡Ff. 66. (m) f©zhoÆ jikia ÉtÇ. (M) ïaãa gu¥ò¡ ft®¢á¡F«, ntâÆa gu¥ò¡ ft®¢á¡FKs ntWghLf ahit? 67. (m) M°tho Ú®¤j Éâia És¡F. (M) Äfy¤âid F¿¥ãl gagL« IUPAC ÉâKiwfis F¿¥ãLf. 68. (m) tisa bA¡rdhÈ tr mik¥òfis ÉtÇ. mt¿ Ãiy¤jikia F¿¥ãLf. (M) ãtU« khw§f vthW Ãf»wd? i) rhÈáÈ¡ mÄy« 2 M°ãÇ ii) rhÈáÈ¡ mÄy« 2 Û¤ij rhÈány£ iii) gh®Ä¡ mÄy« 2 gh®kikL 69. (m) ie£u° mÄy« XÇiza, <Çiza, _Éiza mÛfSl vthW Éid òÇ»wJ? (M) FS¡nfhá mik¥ãid Ã%ã.
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1. 5. 9. 13. 17. 21. 25. 29.
(ï) (ï) (ï) (<) (ï) (ï) (M) (<)
2. 6. 10. 14. 18. 22. 26. 30.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
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TÏdÏmúTôÕ, ÏúWôªVm ùTôÚ°u (G§oªuYô«p) T¥¡\Õ. ÏúWôªVm ØXôm éÑYRtÏ Øu ¨dLp ØXôm éNlTÓ¡\Õ. 37. Dm = (29.9738 + 1.0078) (26.9815 + 4.0026) = 0.0025 amu Q = 0.0025 × 931 MeV. = 2.328 MeV. 38. (i) A§ªu LPj§ GuTÕ ×§V RûXØû\ Bt\p úNªl× §\u AûUl×L°u A¥lTûPVôÏm. A§ªuLPj§ ù_]úWhPoLs, NôRôWQ ù_]úWhPoLû[ ®P Ïû\kR GûPûVÙm, £±V EÚY[ûYÙm ùTtßs[]. úUÛm CûY Ïû\kR Bt\ûX TVuTÓjÕYRôp A§L Bt\ûX úNªdLXôm. (ii) A§L §\u ùLôiP RôÕ ©¬jùRÓdÏm CVk§WeL°p A§ªu LPj§ LôkReLs TVuTÓjRlTÓ¡u\]. (iii) A§ªu LPj§ ùN]ônÓLs, ØÝ EPûX BnÜ ùNnÙm ETLWQUôL AÔdLÚ LôkR Jj§ûNÜ TP ETLWQj§p TVuTÓ¡\Õ. 39. GuhúWô© GuTÕ JÝeLt\ RuûUûV A[®Óm Ti× ApXÕ Ko AûUl©p êXdáßL°u JÝeLt\ RuûUûVd ϱdÏm Ti× BÏm. CÕ JÚ ¨ûXf Nôo× Ti× BÏm. (S) G u h ú W ô © N ô o × G u T Õ E ª Z l T Ó m ùYlTj§tÏm (q) ùNVpØû\«u ùYlT¨ûXdÏm (T) Es[ ®¡RUôÏm.
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T T GuhúWô©«u AXÏ = ùYlTm × ùYlT¨ûX1 GuhúWô©«u AXÏLs: (i) LúXô¬ / ¥¡¬1 / úUôp1. (ii) eu / úUôp1. (iii) LúXô¬ K1 (iv) JK1 40. Ä NôhVo ùLôsûL«uT¥, ""NU¨ûX«p Es[ Ko AûUl©uÁÕ Tô§lûT HtTÓj§]ôp NU¨ûXVô]Õ AkR Tô§l©]ôp HtTÓm ®û[ûY NUu ùNnÙm §ûNûV úSôd¡ SLÚm. 41. JußdÏ úUtThP ®û]TÓ ùTôÚsLû[d ùLôiP JÚ ®û]«u ùUôjR ®û]YûLûV úNôRû] êXm ¨oQ«dÏmúTôÕ JúWùVôÚ ®û]TÓ ùTôÚû[j R®W Ut\ Aû]jÕ ®û]TÓùTôÚsLû[Ùm A§L ùN±ÜPu GÓjÕdùLôs[lThPôp, Aq®û]«u ®û]YûL ùUôjR ®û]YûLûV ®P Ïû\YôL Es[Õ. CqYôß §Új§VûUdLlThP Utßm Ïû\dLlThP ®û]Vô]Õ úTô ØRpYûL ®û] G]lTÓm.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
CH3COOH + CH3OH
pH = pKa + log (c¥ò) (mÄy«) [El×] = [AªXm] G²p, log 1 = 0 pH = pKa (iii) RôeLp LûWNÛPu úNodLlTÓmúTôÕ, AªXm Utßm El©u ùN±ûY Uôt± úRûYVô] pH Es[ RôeLp LûWNûX RVô¬dLXôm.
O
42. AoͲVv NUuTôPô]Õ, k = AeEa/RT CfNUuTôh¥p, k = ®û]úYL Uô±, A = A§oÜ LôW¦, Ea = ¡[oÜß Bt\p, R = YôÙ Uô±, T = ùYlT¨ûX (ùLp®²p). 43. ÅrT¥Yô] ùTôÚs árUd LûWNXôL, LûWNp Es[ ªuTÏ°«u LôWQUôL ®WÜRp árUUôdLp G]lTÓm. CfùNVÛdÏ TVuTÓjRlTÓm ªuTÏ° árUUôdÏm LôW¦ G]lTÓm. Nôuß. (i) £pYo Ïú[ôûWÓPu ûahúWô Ïú[ô¬d AªXjûR úNojÕ árUUôdLp.
S
ùUj§pA£húPh
H+
K
A§L
CH3COOCH3 + H2O
(ii) ùTo¬d ûahWôdû^ÓPu ùTo¬d Ïú[ôûWûP úNojÕ árUUôdLp. 44. ùaiPoNu NUuTôh¥u Ød¡VjÕYm: (i) YûU Ïû\kR AªXm Utßm El©u ùRôPdL ùN±Ü Utßm ùLôÓdLlThP K a U§l©ÚkÕ RôeLp LûWNu pHI LQd¡PXôm. B]ôp LôWj RôeLp LûWNtLô] ùaiPoNu NUuTôÓ pOH U§lûT ùLôÓlTRôp pH U§lTô]Õ 14 pOH G] LQd¡PlTÓ¡\Õ. (ii) NUúUôXôo A[Ü AªXm ApXÕ LôWm Utßm El× B¡VYt±u RôeLp LûWNu pH U§lûT A[®ÓYRu êXm YûU Ïû\ AªXm ApXÕ LôWj§u ©¬ûL Uô±ûV LQd¡PXôm.
O
G]úY, Ko CWiPôm YûL ®û]«p, HúRàm JÚ ®û]TÓùTôÚ°u ùN±ûY A§LUôL Utù\ôuû\ ®P GÓjÕdùLôsÞmúTôÕ Aq®û] ØRpYûL ®û]Vô¡\Õ. AjRûLV ®û] úTô ØRpYûL ®û] G]lTÓm. Nôuß: AªX Øu²ûX«p GvPûW ¿WôtTÏjRp
5
B
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45.
PVôv¥¬úVôUo J°ÑZt£«u A[®úXúV UôßTÓ¡\Õ.
CûY B¥©mTj ùRôPo×ûPVûYVôL CÚdLôÕ. CûY GpXô CVt©Vp Ti×L°Ûm úYßTÓm.
S
U
R
A
C]u£úVôUo 1. J°ÑZt£ Uôt±VeLs JjR ÑZt£ A[ûYÙm G§oUû\Vô] ϱÂhûPÙm ùLôiPûY. 2. CûY úUtùTôÚkRôR ùTôÚs B¥ ©mT ùRôPo×ûPV ×\ùY° AûUl× ùLôiPûY. 3. CûY J° ÑZtßm §ûN«p UhÓm UôßTÓm. Ut\ GpXô Ti×L°Ûm JjRRô«ÚdÏm.
46. BpLaôpLs, YûU ªÏkR LôWeL[ô] R Utßm H B¡VYtßPu ®û]׬ÙU[Ü úTôÕUô] AªXj RuûU ùTt±ÚlTRôp, ¡¬d]ôoÓ LW¦ (RMgX) Utßm LiAlH 4 B¡VYt±u LûWlTôuL[ôLl TVuTÓjR CVXôÕ. OCH3 CH3OH + CH3MgX CH4 + Mg X 4CH3OH + LiAlH4 4H2 + LiAl (OCH3)4
47.
ùPôÛÅû] Ïú[ô¬ú]t\m ùNnÕ ©u]o NaOH LûWNÛPu ¿WôtTÏl× ùNnRôp, ùTuûNp BpLaôp EÚYôÏm.
C6H5CH3 ùPôÛÅu
Cl2
NaOH
ùTuûNp Ïú[ôûWÓ
C6H5CH2OH
+
NaCl
ùTuûNp BpLaôp
48.
AªX Ïú[ôûWÓLs ûahW_]ôp úT¬Vm NpúTh¥p Es[ ùTpúX¥Vm Øu²ûX«p JÓdLlTÓmúTôÕ Bp¥ûaÓLs EÚYôÏm ®û] úWôNuUih JÓdL ®û] G]lTÓm. CH3 C=O + H2 | Cl A£hûPp Ïú[ôûWÓ
www.surabooks.com
C6H5CH2Cl
HCl
Pd
BaSO4
CH3 C = O + HCl | H A£hPôp¥ûaÓ
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
6
Bp¥ûaÓ úUÛm JÓdLUûPVôUp RûPùNnV BaSO 4 ®û]úYL SfNôL TVuTÓjRlTÓ¡\Õ. CpûXùV²p, EÚYô] Bp¥ûaÓ úUÛm JÓdLUûPkÕ K¬ûQV BpLaôXô¡ ®Óm.
CO
CO
NH CO
jhÈikL
KOH
CO
bgh£lháa« jhÈikL
N-M¡if jhÈikL
+
COOK
ºN
RNH2
Mif mÛ
bgh£lháa« ~jhny£
51.
Õ¦ YûLLs, EQÜl ùTôÚhLs B¡VYt±tÏ ¨\êhP NôVeLs TVuTÓ¡u\]. NôVm ¸rLôÔm £\lTmNeLû[ ùTt±ÚdL úYiÓm. (i) NôVeLs RÏkR ¨\eLû[l ùTt±ÚdL úYiÓm. (ii) Õ¦L°u úUp úSW¥VôLúYô, úYù\ôÚ LôW¦«]ôúXô NôVm JhPd á¥VRô«ÚdL úYiÓm. (iii) NôVm Õ¦L°u úUp ¨WkRWUôL ©ûQdLlTÓm RuûUÙûPVRôL CÚdL úYiÓm.
Û¤ij raidL
50. RôûUÓ Gu\ úNoUm ùTôhPô£Vm ûahWôdûNÓPu
S
®û]ThÓ ùTôhPô£Vm RôûUÓ Gu\ ùTôÚû[j RÚ¡\Õ. CRàPu BpdûLp aôûXÓ úNojÕ ®û]lTÓj§]ôp, N-BpdûLp RôûUÓ EÚYô¡\Õ. ARû] KOH úNojÕ ùYlTlTÓjR, ùTôhPô£Vm RôúXhÓm, K¬ûQV AÁàm EÚYô¡u\].
III
O
gFâ -
K
má£likL
H2O
N-R CO
COOK
cUth¡F»wJ. ïâ Ú® Ú¡f« bra¥gL»wJ. P2O5
RX
Ú®¤j KOH
4 9 . P 2 O 5 cl bt¥g¥gL¤j Û¤ij raidil CH3CONH2¾¾®CH3C
CO
NK
O
52. úP®Nu Utßm ù_oU¬u úNôRû]: ùYlTlTÓjRlThP PedvPu ªu²ûZ«ÚkÕ ùY°lThP GXdhWôu Ltû\ûV EVo úSo ªu]ÝjRj§p ùNÛjÕmúTôÕ ØÓdLm ùTß¡u\]. CjRûLV ØÓdLm ùTt\ GXdhWôu Ltû\ûV ùT¬V Jtû\ ¨dLp T¥Lj§u ÁÕ ®ZfùNnÙmúTôÕ, GXdhWôuLs ùYqúYß §ûNL°p £R\¥dLlTÓ¡u\]. CqYôß ùT\lTÓm ®°m× Yû[Ü X-L§oLs êXm ùT\lThP ®°m× Yû[Ü AûUlûTl úTôp Es[Õ. ®°m× Yû[Ü AûUl×
B
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>> >
t
U
dh W TÓ ôuL L§ ° o u
>>
R
GX
A
J°lTPj RhÓ
¨dLp T¥Lm
úP®Nu Utßm ù_oU¬u GXdhWôu ®°m× Yû[Ü úNôRû] X-L§oLs AûXlTiûT ùTt±ÚlTRôp, GXdhWôuLÞm AûXlTiûT ùTtßs[]. úUÛm, ®°m× Yû[Ü úNôRû] êXm A[®PlThP GXdhWôu AûX¿[ U§lTô]Õ, ¥-©Wôdú[ NUuTôh¥u êXm LQd¡PlThP AûX U§l×Pu Ju\ôL Es[Õ. CRu êXm GXdhWôu B]Õ AûXjRuûU ùTt±ÚlTÕ ¨ìTQUô¡\Õ.
53. £pY¬u RôÕdLs:
(i) Ao_uûPh (ApXÕ) £pYo ¡[ôuv, Ag2S. (ii) aôou £pYo (ApXÕ) Ïú[ôWôo´ûPh, AgCl. (iii) ûTWôo´ûWh (ApXÕ) ì© £pYo, Ag3SbS3. Ao_uûPh RôÕ®ÚkÕ £pYo ©¬jùRÓjRp: Uôd BoRo Utßm TôWvh NVû]Ó Øû\lT¥ £pYo Ao_uûPh RôÕ®ÚkÕ ©¬jùRÓdLl TÓ¡\Õ. CÕ ©uYÚm T¥L°p ¨Lr¡\Õ. (i) APo©jRp: ç[ôdLlThP RôÕ ÖûWªRl× Øû\ êXm APo©dLlTÓ¡\Õ. www.surabooks.com
(ii) R ô Õ û Y NaCN E P u úNojRp: APo©dLlThP RôÕûY SuÏ çs ùNnÕ 0.4-0.6% ùN±Üs[ úNô¥Vm NVû]Ó LûWNÛPu Lôtû\ ùNÛj§ ®û]lTÓjÕmúTôÕ, úNô¥Vm Aoù_uúPô NVû]Ó Guàm LûWVd á¥V AûQÜf úNoUm EiPô¡\Õ. Ag2S + 4NaCN
2Na[Ag(CN)2] + Na2S
úNô¥Vm Aoù_uúPô NVû]Ó LûWÙm RuûU
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl (iii) £ p Y o ÅrT¥YôRp: úNô¥Vm Aoù_uúPôNVû]Ó LûWNp Y¥LhPlThÓ, LûWVôR UôÑdLs ¿dLlTÓ¡u\]. Y¥¿o ´ed ç£ÙPu úNodLlThÓ, £pYo ÅrT¥YôdLlTÓ¡\Õ. 2Na[Ag(CN)2] + Zn Na2[Zn(CN)4] + 2Agÿ¯ (iv) ªu]ôt çnûUVôdLp: ªu]ôt TÏjRp êXm UôÑs[ £pYo çnûUVôdLlTÓ¡\Õ. UôÑLXkR £pYûW úSoªu YôVôLÜm, çV £pYo RLhûP G§oªu YôVôLÜm, 1% ûSh¬d AªXm LXkR £pYo ûShúWh LûWNp ªuTÏ°VôLÜm GÓjÕdùLôiÓ ªuNôWjûR ùNÛjÕmúTôÕ çV £pYo úSoªu Yô«p CÚkÕ LûWkÕ G§oªuYô«p T¥¡\Õ. 54. XôkRû]Ó ÏßdLj§u ®û[ÜLs: (i) A V ² L ° u LôWjRuûU: XôkRû]Ó ÏßdLjRôp, Ln3+ AV²L°u TÚUu, AÔ Gi
(ii) (iii) (iv)
A§L¬dL, A§L¬dL T¥lT¥VôL Ïû\¡\Õ. Tô_ôuv ®§«uT¥, Ln3+ AV²L°u TÚUu Ïû\YRôp, Ln(OH)3-p Es[ Ln3+ Utßm OH AV²dÏm CûPúV Es[ NLl©ûQl×l Ti× A§LUô¡\Õ. Ln3+ AV²L°u TÚUu Y¬ûN La3+ > Ce3+ ... > Lu3+ AV² BWm T¥lT¥VôL Ïû\kÕ ùLôiúP YÚ¡\Õ. AÔ Gi A§L¬dL, A§L¬dL JÓdÏm LôW¦VôL ùNVpTÓm §\àm Ïû\¡\Õ. CWiPôm, êu\ôm Y¬ûN«p Es[ d-ùRôϧ CûP¨ûXj R²UeL°u Ti×Ls XôkRû]Ó ÏßdLjRôp A§L A[®p JjÕs[]. XôkRû]Ó ÏßdLjRôp CkRj R²UeLs G°§p ©¬dL Ø¥VôR YûL«p CVtûL L²UeL°p ¡ûPd¡u\].
O
K
S
(v)
7
O
55. (A) AûQÜ Uôt±Vm. CÚ EúXôL AûQÜf úNoUj§p, AûQÜ úSoªu AV²Ùm, AûQÜ G§oªu AV²Ùm Es[]. CÚ AûQÜd úLô[eL°Ûm D²L°u Te¸Ó úYßTÓYRôp AûQÜ Uôt±Vm EÚYô¡\Õ. úSo Utßm G§oªu AV²L[ôL AûQÜ AV²Lû[d ùLôiP ©uYÚm úNoUeLs CmUôt±VjûRj ùR°YôL EQojÕ¡u\]. 1. [CoIII (NH3)6] [Cr (CN)6] Utßm [CrIII (NH3)6] [CoIII (CN)6] ùad^ôAmûUuúLôTôph (III) ùad^ôAmûUuÏúWôªVm (III) ùad^ôNVú]ôÏúWôúUh (III) ùad^ôNVú]ôúLôTôph (III) 2. [PtII (NH3)4] [CuCl4] Utßm [Cu(NH3)4] [PtCl4] ùPhWô AmûUu ©[ôh¥]m(II) ùPhWô AmûUu LôlTo(II) ùPhWô Ïú[ôúWô ÏlTúWh(II) ùPhWô Ïú[ôúWô ©ú[h¥ú]h(II) (B) AV² Uôt±Vm. JúW êXdáß YônTôhûPÙm, LûWNÛs úYßThP AV²VôdÏm RuûUÙm ùLôiP úNoUeLs AV² Uôt±VeLs G]lTÓm. AlTi× AV² Uôt±Vm BÏm. Nôuß. ©uYÚm £Yl×-FRô ¨\ úNoUeLs AV² Uôt\jûR SuÏ ®[dÏ¡u\]. [CO(NH3)5Br]SO4 [CO(NH3)5SO4]Br £Ll×-FRô £Ll× ùTiPôAmûUu×úWôúUô ùTiPôAmûUuNpúThúPô úLôTôph(III)NpúTh úLôTôph(III) ×úWôûUÓ £Ll×-FRô Uôt±Vm NpúTh AV²ûVÙm, £Ll× Uôt±Vm ×úWôûUÓ AV²ûVÙm LûWNp RÚ¡u\].
S
U
R
A
B
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56. f£oyh Mw G- áw¥ãaòf:-
(i) G Vô]Õ (H TS) G] YûWVßdLlTÓ¡\Õ. H Utßm S B¡VûY Øû\úV AûUl©u GuRôp© Utßm GuhúWô©VôÏm. T = 2 ùYlT¨ûX, H Utßm S ¨ûX Nôo×L[ôL CÚlTRôp G B]Õ ¨ûXf NôoTôÏm. (ii) G GuTÕ ùTôÚiûU NôWôl TiTôÏm. DG = (G2 G1) G²p, Lh¥Xô Bt\p Uôt\Uô]Õ AûUl©u Cߧ (2) Utßm (1) ¨ûXLû[ Nôok§ÚlTRôp ùTôÚiûU NôWôl TiTôÏm. ARôYÕ Cߧ Utßm ùRôPdL ¨ûXLÞdÏ www.surabooks.com
CûP«p ¨û\ Uô\ôUp CÚdL úYiÓm ApXÕ AûUlTô]Õ ê¥V AûUlTôL CÚdL úYiÓm. (iii) G B]Õ AûUl©u Jtû\ U§l×ûPV ùYlT CVdL®Vp TiTôÏm. (iv) G Utßm DG-u U§l×Ls AûUlûT UhÓúU NôokRûYVôÏm. ùNVpØû\«u RuûUûV A±V DG-u êuß YûLLs úRûYlTÓ¡\Õ. DG < 0 (G § o Ï ± ), B L E s [ ú T ô Õ , ù N V p Ø û \ Ru²fûNVô]Õ Utßm ¨LZd á¥VÕ. DG = 0 G²p, ùNVpØû\ NU¨ûX EûPVÕ. DG > 0 (ú S o Ï ± ) G²p, ùNVpØû\, Ru²fûNVt\RôLÜm, ¨LZôRRôLÜm Es[Õ.
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PCl5(g)
PCl3(g) + Cl2(g)
Kp = Utßm Kp =
SPCl 3 . SCl 2 SPCl5 [2 P 1 [ 2
Tϧ
atm
atm
58. ®û]YûL«u £\l©Vp×Ls: (i) JÚ ®û]YûL«u Gi U§lTô]Õ éf£VUôLúYô, ©u]UôLúYô ApXÕ ØÝ GiQôLúYô CÚdLXôm. G°V ®û]LÞdÏ ®û]YûL ©u]UôL CÚdLôÕ. Hù]²p G°V ®û]Ls JúW T¥«p ¨Lr¡u\]. (ii) ® û ] Y û L ú N ô R û ] ê X m U h Ó ú U ¨oQ«dLdá¥VRôÏm. ®û]TÓùTôÚsLs Utßm ®û[ùTôÚsL°u NUuTôÓ A¥lTûP«p ¨oQ«dL Ø¥VôÕ. (iii) G°V ®û]Ls n = 0, 1, 2 úTôu\ Ïû\kR ®û]YûL U§l×Lû[ ùTt±ÚdÏm. ®û]YûL 3 ApXÕ ARtÏ úUtThP ®û]YûLLû[ ùLôiP ®û]Ls £dLXô] ®û]L[ôÏm. EVo ®û]YûL ®û]Ls ªLÜm A¬RôÏm. (iv) £X ®û]Ls ®û]úYLjûRl ùTôÚjÕ ©u] ®û]YûLLû[ ùTtßs[]. (v) EVo ®û]YûL ®û]Lû[ Juß ApXÕ ARtÏ úUtThP ®û]TÓ ùTôÚsL°u ùN±ÜLû[ A§LUôdÏYRu êXm G°V (úTô) ®û]L[ôL úNôRû] êXm Uôt\ CVÛm.
O
T B]ôp DS = G²p, TDS = q = ùNVpØû\«p T SûPùTßm ùYlTUôt\m. \ÿDG = q w + PDV q = w + PDV ApXÕ DG = w PDV = ùUôjR úYûX Uô\ôR ùYlT¨ûX Utßm AÝjRj§p JÚ Ï±l©hP ùNVpØû\«uúTôÕ Lh¥Xô Bt\p Uôt\m Ïû\YÕ (DG) ®¬YûPÙm úYûXûVj R®W AûUl× ùNnÙm A§LThN úYûXûVd ϱd¡\Õ. CkR A[Yô]Õ AûUl× ùNnÙm A§LThN úYûX G]lTÓm Utßm (w P D V) dÏ NUUôÏm. \ ùUôjR úYûX = DG = w PDV DG G u T Õ P V ú Y û X û V j R ® W , AûUl©ÚkÕ ùT\lTÓm ªu úY§ ApXÕ TWl× úTôu\ Aû]jÕ úYûXLû[Ùm ϱdÏm. 57. PCl5 £ûRYûPÙm NU¨ûX YôÙ ¨ûXûU«p PCl5 £ûRYûPYRu NU¨ûX ©uYÚUôß
p PCl , p PCl U t ß m p Cl B ¡ V û Y 5 3 2 AÝjReLs G²p, AYt±u Yô«XôL
S
DG = DH TDS. ùYlT CVdL®Vp ØRp ®§lT¥, DH = DE + PDV Utßm DE = q w G²p, DG = q w + PDV TDS
K
(v)
O
8
B
www.Padasalai.Net A
a úUôpLs PCl5 YôÙ V hP¬p ùRôPdLj§p CÚlTRôLd ùLôsúYôm. NU¨ûX«p x úUôpLs PCl5 £ûRYûPkÕ PCl3 Utßm Cl2 YôÙdLû[ RÚ¡\Õ. NU¨ûX«p PCl5, PCl3 Utßm Cl2 YôÙdL°u úUôXôo
U
S
Kc
R
D [ [ [ , Utßm BÏm. V V V [PCl3 ] [Cl2 ] = [PCl5 ]
ùN±ÜLs Øû\úV
[ [ u V V V [2 = D [ = 2 × D [ V V
[2 (D [ ) V x GuTÕ ©¬ûL ÅRm Gußm AûZdLlTÓ¡\Õ. ®û]TÓùTôÚhL°u JÚ Tϧ ©u]m £ûRYûPYúR ©¬ûL ÅRm G]lTÓ¡\Õ.
59. E
= Eo
2.303R T [Cu 2+ ] log QF [Cu]
\ EoCu2+ / Cu= ECu2+ / Cu +
Kc =
x=
£ûRYûPkR úUôpL°u Gi¦dûL
ùRôPdLj§p Es[ úUôpL°u Gi¦dûL ù R ô P d L j § p 1 ú U ô p PCl 5 C Ú l T R ô L GÓjÕdùLôiPôp, Kc =
[Cu 2+ ] 2 303RT log [Cu] 2F
= 0.301 +
0.0591 0.1 log 2 1
= 0.301 +
0.0591 log 100 2
= 0.301 +
0.0591 × 2 = 0.301 + 0.0591 2
EoCu2+ / Cu = 0.36 V
[2 [2 . P = (1 [ ) RT (1 [ ) V
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl 60.
1. 2. 3. 4. 5.
AúWôUôh¥d DRoLs (A²úNôp) A§L ùLô§¨ûXûV ùLôiP ¿oUm. YôNû]l ùTôÚsLs RVô¬dLl TVuTÓ¡\Õ. LûWlTô]ôLl TVuTÓjR Ø¥VôÕ. ùThúWôÛdÏl T§p ùTôÚ[ôLl TVuTÓY§pûX. A²úNôp, HI ÙPu ùYlTlTÓjÕm úTôÕ À]ôp Utßm CH3I ùLôÓd¡\Õ.
ATôh¥d DRoLs (ûPGj§p DRo) B®VôÏm ¿oUm. EQoÜ ¿d¡VôL TVuTÓ¡\Õ. CûR LûWlTô]ôL TVuTÓjRXôm. CûR BpLaôÛPu LXkÕ ùThúWôÛdÏl T§p TVuTÓjRXôm. £±R[Ü HI ÙPu úNokÕ C2H5OH Utßm C2H5I Ùm RÚ¡\Õ. A§L A[Ü HI ÙPu úNokÕ 2C2H5I + H2O RÚ¡\Õ. ûShúWô Ht\m SûPùTßY§pûX.
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6. ûShúWô Ht\d LXûYÙPu ûShúWô A²úNôûXj RÚ¡\Õ. 7. G°Rô] Øû\«p ùTWôdû^Ó EÚYôY§pûX.
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Lôt±p Es[ Bd³_àPu ®û]׬kÕ ùTWôdû^ûPj RÚ¡\Õ.
(i) ¡[UuNu JÓdL ®û]: ´ed CWNdLXûY Utßm APo HCl EPu Bp¥ûaÓLÞm, ¸húPôuLÞm JÓdLUûPkÕ ûahúWôLôoTuL[ôL Uôßm ®û] ¡[UuNu JÓdL ®û] G]lTÓm. Zn/Hg CH3CCH3 + 4 [H] CH3CH2CH3 + H2O HCl || ×ùWôlúTu O A£húPôu
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61.
9
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www.Padasalai.Net 62.
A£h¥d AªX ¿¬
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(ii) ùTod¡u ° ®û]: ùTuNôp¥ûaÓ EPu A£h¥d AªX ¿¬ úNojÕ úNô¥Vm A£húPh Øu²ûX«p ®û]TÓj§]ôp £u]ªd AªXm Gu\ ®û[ùTôÚs ¡ûPd¡\Õ. C6H5CHO + CH3CO CH3COONa O C6H5CH = CHCOOH + CH3COOH CH3CO £u]ªd AªXm A£h¥d AªXm
LôoTôd£d AªXeLs, L²U AªXm Øu²ûX«p, BpLaôpLÞPu ®û]lThÓ GvPoLû[ RÚm ®û] GvPWôdÏRp ®û] G]lTÓm. CH3COOH + C2H5OH
A£h¥d AªXm
GjR]ôp
H+
CH3COOC2H5 + H2O Gj§p A£húPh
GvPWôdÏRp ®û]«u Y¯Øû\. AªXj§p OH ùRôϧ ×úWôhPú]t\m ùTtß, BpLaôûX LÚdLYo RôdÏRÛdÏ Y¯YÏlTRu êXm GvPo EiPô¡u\Õ. T¥ 1. LôoTôd£d AªXm ×úWôhPú]t\m AûPRp. + H H+ CH3COO CH3COOH H
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
10
T¥ 2. LÚdLYo LW¦ RôdÏRp.
+
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+
H | O+ C2H5 | + H CH3CO | H O
.. C2H5OH
H+ H2O
CH3COC2H5 || O 63.
Na+ 2, 8
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}
Ne YûL AûUl×
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Ar YûL AûUl× 2, 8, 8 úUÛm, ¸rLiP CWiÓ átßLÞm AV² BWeLû[ LQd¡P TVuTÓjRlTÓ¡u\]. (i) Ko AV²lT¥Lj§p Es[ úSoªu Utßm G§oªu AV²Ls Juû\ùVôuß ùRôhÓ ùLôi¥ÚdÏUôß LÚÕmúTôÕ, AYt±u AV² BWeL°u áÓRXô]Õ AYt±t¡ûPúVVô] AÔdLÚdL°u ùRôûX®tÏ NUUôL CÚdÏm. r(C+) + r(A) = d(C+ A) ... (1) ARôYÕ r(C+) = úSoªu AV² (C+) u BWm r(A) = G§oªu AV² A-u BWm + d(C Cl) = C+ A Gu\ AV²T¥Lj§p + Es[ C Utßm A AV²L°uAÔdLÞd¡ûPlThP ùRôûXÜ (ii) JÚ UkR YôÙ GXdhWôu AûUl©p, Ko AV²«u BWUô]Õ, ARu AÔdLÚ®u ¨LW ªuÑûUdÏ G§o ®¡Rj§ÚdÏm. ARôYÕ
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ka¡f kUªJf:CûY EQo®ZdLf ùNnÙm UÚkÕLs. CûY CÚYûLlTÓm. (A) ùTôÕ UVdL êh¥Ls. CûY GpXô YûLVô] EQoûYÙm CZdLf ùNnTûY. ϱlTôL Y EQoûY ÁsRuûUÙPu CZdLf ùNn¡\Õ. (B) ϱl©hP CPjûR EQo®ZdLf ùNnÙm LôW¦Ls - ùTôÕ EQoûY Tô§dLôUp, YÙs[ CPj§p UhÓm Y EQoûY ¿dÏ¡\Õ. (i) ûShWv Bdû^Ó N2O : ¨\Ut\, ùS¥ CpXôR L²U YôÙ. EQoÜ ¿d¡L°p ªL TôÕLôlTô]Õ. CÕ DRo úTôu\ Ut\ EQoÜ ¿d¡LÞPu LXkÕ TVuTÓjRlTÓ¡\Õ. (ii) Ïú[ôúWôTôWm CHCl3 : B®VôÏm §WYm, C²V UQm, ÑûYÙs[Õ. Bd£_àPu SfÑj RuûUÙs[ LôoúTô²p Ïú[ôûWûP EiPôdÏ¡\Õ. AR]ôp CÕ RtúTôÕ TVuTÓjRlTÓY§pûX. (iii) DRo : C2H5OC2H5 G°§p B®VôÏm §WYm. C Õ 0.002% × W û T p a ô û X Ó P u L X k Õ TVuTÓjRlTÓ¡\Õ. CeÏ ×WûTp aôûXÓ ¨ûXlTÓj§VôLl TVuTÓ¡\Õ. §ÑdL[ôp EhLYWlThP ©u×, ûUV SWm× UiPXjûRj Rôd¡ EQo®ZdLf ùNn¡\Õ.
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Gj§p A£húPh
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- IV
64. A) AV² BWeLs LQd¡Pp: NaF, KCl, RbBr U t ß m CsI B ¡ V S ô u Ï T ¥ L e L ° u AÔdLÚdLÞdÏ CûPlThP ùRôûX®u A¥lTûP«p AV² BWeLû[ Tôe LQd¡hPôo. JqùYôÚ AV² T¥Lj§p Es[ úSoªu Utßm G§oªu AV²Ls UkR YôÙdL°u GXdhWôu Gi¦dûLÙPu NUUôL (isoelectronic) Es[]. www.surabooks.com
r(C+) µ
1 Z* (C+ )
... (2)
r(A) µ
1 Z (A )
... (3)
*
Z * (C +) Utßm Z * (A ) B¡VûY Øû\úV úSoªu (C+) Utßm G§oªu (A) AV²L°u ¨LW ªuÑûUL[ôÏm. NUuTôÓLs (2) Utßm (3) B¡VYtû\ CûQjRôp,
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
11
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Lôtß Utßm Bd³_u LXkR LXûY ùRôPof£VôL U (C ) Z* (A ) ùNÛjRlTÓ¡\Õ. CYt±às CWiÓ ©[ôh¥]m ªu = * ... (4) U (A ) Z (C ) Øû]Ls ûYdLlThÓs[]. 6000 - 8000 úYôph d(C+A), Z* (C+) Utßm Z* (A) B¡V U§l×Ls ªuNôWm CRàs ùNÛjRlTÓ¡\Õ. AlúTôÕ ûShW_u úYLUôL Bd³_àPu úNokÕ ûShW_u ûP ùR¬ÙmúTôÕ NUuTôÓLs (1) Utßm (4) I TVuTÓj§ BdûNûPj RÚ¡\Õ. LXj§às úNô¥Vm r(C+) Utßm r(A) U§l×Lû[ LQd¡PXôm. ûahWôdûNûPj ùRôPof£VôL ùNÛj§ CkR 64. B) BdûNÓ LûWdLlTÓ¡\Õ. UkR YôÙdLû[l ©¬jùRÓjRp: UkR YôÙdLs N2 + O2 2NO Lôt±Ûs[ Bd³_u, ûShW_u úTôu\Ytû\Ùm, 2NO + O 2NO2 2 LôoTu-ûP-BdûNÓ, ¿Wô®, ç£ úTôu\Ytû\Ùm 2NO + 2NaOH NaNO3 + NaNO2 + H2O 2 ¿d¡ ©¬jùRÓdLlTÓ¡u\]. CYtû\ ¿dL úY§«Vp úLô[Y¥Y LiQô¥ Tôj§Wj§às HúRàm ApXÕ CVt©Vp Øû\Ls TVuTÓjRlTÓ¡u\]. Bd³_u CÚl©u AÕ LôWeLXkR ûTúWôLXôp úY§«Vp Øû\lT¥ úRûYVt\ YôÙdLs úNoUeL[ôL ùNÛj§ LûWjÕ ¿dLlTÓ¡\Õ. £±Õ úSWm ùNu\©u Uôt± ¿dLlTÓ¡u\]. CVt©Vp Øû\«p ¿oUd Lôtß, ªuNôWm ùNÛjÕYûR ¨ßj§ ÁRØs[ Lôtû\ ©u] B®VôdLp êXm úRûYVt\ ùTôÚhLs LXûY«Ûs[ UkR YôÙdLs ¿dLlTÓ¡u\]. ¿dLlTÓ¡u\]. ªuUôt± úY§«Vp Øû\: úUu úUÛm ªu ùTô±ûV Lôt±p ùNÛj§ ûShW_u Utßm Bd³_u B¡VYtû\ ®û]׬Vf ùNnÕ ûShW_u ûP BdûNPôL ¿dLlTÓ¡\Õ. (N2 + 2O2 2NO2) ÁRØs[ûY UkR YôÙdL°u LXûYVôÏm. AÓjRRôL (TWl×d LYof£«u êXm) úYßThP ùYlT¨ûXL°p ¡[oÜ ùTt\ LpL¬«às UkR YôÙdL°u LXûYûV ùY°úVßm ùNÛj§ CûY ©¬dLlTÓ¡u\]. EsYÚm Es×Ïm Y° UiPXj§Ûs[ Bd³_u Utßm ûShW_û] ûShW_u ûP BdûNPôL ¿dÏRp úY§«Vp Øû\«p UkR WômúN-WôúX Øû\. YôÙdLû[l ©¬jRp WômúNô-WôúX Øû\. 50 hPo ùLôs[[Ü Es[ LiQô¥Vôp ùNnVlThP úLô[ Y¥Y Tôj§Wj§às 65. A) (i) [Ni(CN)4]2: Ni [z = 28] ùY°dáhÓ GXdhWôu AûUl× = 4s2 3d 8
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Ni2+ ùY°dáhÓ GXdhWôu AûUl× = 4s0 3d 6 G
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[Ni(CN)4]2 Gu\ AûQÜd úLô[j§p Es[ (CN) NVú]ô D² YÛÜs[ D² GuTRôp, dBo©hPôu GXdhWôuLû[ CûQ ùNnV ûYd¡\Õ. C]dLXl©tÏ ©u R²jR GXdhWôuLs CpXôRRôp úNoUm, ûPVô LôkRj RuûU ùTß¡\Õ. G V S
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x x
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&1
x x
x x
&1 &1 &1
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
12 (ii)
[Ni(NH3)4]2+:
Ni2+ GXdhWôu AûUl× G Ni
V
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[Ni(NH 3 ) 4 ] 2+ G u T § p E s [ NH 3 D ² Y Û Y t \ D ² V ô Ï m . C Õ C û Q V ô L ô R d-G X d h W ô u L û [ C û Q ù N n V û Y l T § p û X . C R ] ô p C ] d L X l © t Ï © u R ² j R d-GXdhWôuLs CWiÓ Es[]. G]úY CfúNoUm TôWô LôkRjRuûU ùTß¡\Õ. x x
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2.303q t 1/ 2
=
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66. B)
CVt©Vp TWl×d LYof£ 1. CÕ êXdáßLÞd¡ûPlThP YôiPoYôpv ®ûN«u LôWQUôL SûPùTß¡\Õ. 2. YôÙdL°u RuûUûVl ùTôÚjRÕ. G°§p §WYUôdLd á¥V YôÙdLs ®ûW®p TWl×d LYWlTÓ¡u\]. www.surabooks.com
úY§«Vp TWl×d LYof£ úY§l ©ûQl× EÚYôRu LôWQUôL SûPùTß¡\Õ. CVt©Vp TWl×d LYof£ûV ®P úRokÕ ùNVXôtßm RuûUÙûPVÕ.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
CH3COO + H+
CH3COOH
B2 C 1 B
Ka = ®§VôÏm. Kb =
GuTÕ BvhYôp¥u ¿ojRp
B
2
YûU
C
1
B
Utßm
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a=
KE , C
LôWeLÞdÏ
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67. A) YûU Ïû\kR ªuTÏ°LÞdLô] BvYôp¥u ¿ojRp ùLôsûL: AoͲVv ùLôsûLlT¥, YûU Ïû\kR ªuTÏ°Ls ¿¬p TϧVôL ©¬ûLVûP¡\Õ. ©¬ûLVûPkR ªuTÏ° êXdáßLÞPu NU¨ûXûV ùLôiÓs[Õ. BvYôp¥u ¿ojRp ®§ YûU Ïû\kR ªuTÏ°«u ©¬ûL Uô±ûV ©¬ûL ÅRm Utßm ARu ùN±ÜPu ùRôPo×TÓjÕ¡\Õ. YûU Ïû\kR ªuTÏ° CH3COOH u ©¬ûL NU¨ûXûVd LÚÕúYôm.
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AÝjRm GjRûLV Tô§lûTÙm HtTÓjÕY§pûX. Jtû\ êXdáß AÓdÏ UhÓm EÚYô¡\Õ.
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CVt©Vp TWl×d LYof£ TWl×d LYoRu ùYlTm Ïû\YôÏm. Ás RuûUÙûPVÕ. Ïû\kR ùYlT¨ûX«p ùUÕYôL, TWl×d LYoRp SûPùTß¡\Õ. ùYlT ¨ûXûV EVojÕmúTôÕ TWl×d LYoRu ÅRm Ïû\¡\Õ. AÝjRjûR EVojÕmúTôÕ TWl×d LYoRp A§L¬d¡\Õ. TWl×d LYÚm ùTôÚ°u TWl©u ÁÕ TX êXdáß AÓd¡û]j úRôtß®d¡\Õ.
13
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[H + ] [CH3COO ] Ka= [CH3COOH]
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Ka= AªXj§u ©¬ûL Uô± aÿ GuTÕ ©¬ûL ÅRm G²p, AÕ ùUôjR CH3COOH p ©¬ûLVûPkÕs[ ©u]m BÏm. G]úY, (1 a ) GuTÕ CH 3 COOH u ùUôjR ùN±®p ©¬ûLVûPVôR Gi¦dûLVôÏm. C GuTÕ CH3COOH u ùRôPdL ùN±Ü G²p, NU¨ûX«p Ca, Ca Utßm C(1 a) GuTûY Øû\úV H+, CH3COO Utßm CH3COOH u ùN±ÜL[ôÏm. C B .C B B2 C Ka= C (1 B ) = 1 B
a ªLd Ïû\YôL Es[úTôÕ, Ka = a2C KD úUÛm [H+] = [CH3COO] = Ca C
Utßmÿaÿ= [H+]
=
1/ 2 ¦ KD µ C§ ¶ ¨ C ·
= (Ka.C)1/2 =
K D .C
Zn | Zn2+ úSoªuYôn AûWLXm
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úSoªuYôn GlúTôÕm CPl×\UôLÜm, G§oªuYôn (AûWLXm) YXl×\UôLÜm LôhPlTPúYiÓm.
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SURA's Guides for 3rd to 12th Std for all Subjects in TM & EM Available
RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
El×lTôXm
Cu2+ | Cu
||
úSoªu AûWLXm
G§oªu AûWLXm
(5) ªuLX ®û]«p DÓTPôR, ®û]Ù\ô EúXôL ªuYôn (Nôu\ôL pt ªuYôn) ùTôÕYôL Ko AûPl×d ϱdÏs LôhPlTÓ¡\Õ. ®û]Ù\ô ªuYôn
Mg | Mg2+
úSoªu AûWLXm
||
H+ | H2(Pt)
G§oªu AûWLXm
|| CuSO4 + Cu E = +1.1 V
Cu | CuSO4
||
GXdhWôu KhPj§u §ûN AúR NUVj§p ¸rLiP LXj§tÏ, ZnSO4 | Zn E = 1.1 V
GXdhWôu KhPj§u §ûN ªu AÝjRj§u G§oUû\ A[Ü, CdLX®û] Ru²fûNVôL SûPùT\ôÕ GuTûRd LôhÓ¡\Õ. B]ôp CRu G§o LXj§u ®û] Ru²fûNVôL ¨LÝm. ªuLXj§u ªu AÝjRm 1.1 V. CkR úP²Vp ªuLXj§u ®û] Cu(s) + Zn(aq)2+ Cu(aq)2+ + Zn(s) Uô\ôL CRu G§oªuLXj§p HtTÓm ®û]. úUtùNôu] ®û]«u ©uú]ôd¡V ®û]VôÏm. CqYôß ªuú]ôhPj§u §ûN ªuLXj§u ®û]ûV §Úl×múTôÕ, G§o §ûN«p CÚdÏúUVô]ôp, CdLXu ÁsRuûUÙûP ªuLXm G]lTÓm. CdLXj§u ªu AÝjRj§p ªLf £±V A[Ü Uôt\jûR HtTÓjÕYRu êXúU CdLXj§p ¨LÝm ®û]ûV Øuú]ôd¡úVô, ©uú]ôd¡úVô SûPùT\f ùNnV Ø¥Ùm.
O
(6) JÚ ªuLXj§u ªu AÝjRm, ªuLX TPj§u YXÕ ×\j§p LôhPlTÓ¡\Õ. Zn-Cu LXj§u ªu
Zn | ZnSO4
S
Zn | Zn2+
A Ý j R m 1.1 ú Y ô p h G u T û R d ¸ r L i P Y ô ß LôhÓ¡ú\ôm.
K
(2) CWiÓ ùNeÏjÕdúLôÓLs, úSoªuYônG§oªuYôn AûWLXj§Ûs[ LûWNpLs Juú\ôÓ Juß úSW¥j ùRôPo× CpXôR B]ôp CûY CWiÓm JÚ El×l Tô[j§u êXm ªuùRôPo× EûPVRôLd LôhÓ¡u\]. (3) úSoªu AûWLXj§Ûs[ EúXôL ªuYôn CPÕ ×\ JWj§Ûm, G§oªu AûWLXj§Ûs[ EúXôLªuYôn YXÕ ×\ KWj§ÛUôLd LôhPlTÓ¡\Õ. (4) JÚ ªuLXj§u ØÝûUVô] YônTôh¥p CWiÓ AûWLXeLÞm CWiÓ ùNeÏjÕd úLôÓL[ôLl ©¬jÕd LôhPlTÓ¡\Õ. Zn-Cu LXjûRl ©uYÚUôß GÝRXôm.
O
14
www.Padasalai.Net B
68. A)
A
Yû[V ùadN]ôp CÚ SôtLô Y¥YeL°p Es[Õ. AûYVôY]:
R
OH
(I)
S
U
(II) OH CûY Ju±ÚkÕ Utù\ôu±tÏ Uôßm RuûU EûPVûY. úUÛm Cq®Ú YNAûUl×LÞm NU¨ûX«p Es[]. JÚ YNAûUl©p (I) OH ùRôϧ AfÑY¯ ©ûQl©p Es[Õ. Utù\ôu±p (II) OH ùRôϧ úLôQY¯ ©ûQl©p Es[Õ. AfÑY¯ YNAûUl×, AR]ôp úLôQY¯ AûUlûTd Lôh¥Ûm £±Õ A§L Es[ôt\p EûPVÕ. AR]ôp, úLôQY¯YN AûUl× NU¨ûX«p 90% A[®Ûm, AfÑY¯YN 10% A[®Ûm Es[]. AfÑY¯ T§, ARtÏ êu\ôm LôoTu AÔÜPu CûQdLlThÓs[ AfÑY¯ ûahW_u AÔdLÞm CPùSÚdL¥ CûPÂÓ ®ûN«p DÓTÓ¡u\]. CÕ AfÑY¯ YNAûUl©u ¨ûXjRuûUûV Ïû\d¡\Õ. CÕ 1, 3 CÚU¥ AfÑY¯ ϱd¸hÓ ®ûN Gu¡ú\ôm. CjRûLV ®ûN úLôQY¯ AûUl©p CpûX. Bt\p
TPÏYNm
A.Y.
0.7 kcal
úLôQY¯
®û]AfÑ www.surabooks.com
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
15
68. B)
(i) Nô£d AªXjÕPu, A£h¥d AªX ¿¬ úNojÕ AûNúXt\ ®û] ¨Lrj§]ôp, Bv©¬u EÚYô¡\Õ. OH OCOCH3 + (CH3CO)2O A£h¥d AªX ¿¬ COOH COOH ÿÿD
Nô£d AªXm
A£hûPp Nô£d AªXm (A) Bv©¬u
(ii) Nô£d AªXjÕPu, APo H2SO4 Øu²ûX«p ùUj§p BpLaôp úNojÕ ùYlTlTÓj§]ôp, C²V UQØûPV ùUj§p Nô£úXh EÚYô¡\Õ. COOH
+
OH
APo. H2SO4
CH3OH
COOCH3
+ H2O
S
OH
ùUj§p Nô£úXh
ÿ
O
H2O m«nkhÅa« ~gh®nk£ ~gh®nk£
O
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿD (iii) HCOOH + NH3 ¾®HCOONH4 ¾¾®HCONH2 ÿ
K
Nô£d AªXm
69. A) ( a) K ¬ û Q V A ª u L s û S h W v A ª X j Õ P u ®û]׬kÕ BpLaôp Utßm ûShW_u YôÙûYd ùLôÓd¡u\]. CH3NH2 + O = N OH¾® [CH3 N = N OH] ¾®CH3OH + N2
(ii) £Yl× TôvTWv Øu²ûX«p, ûa¥úWô AúVô¥d AªXm ÏÞdúLôû^ Øt±ÛUôL JÓd¡, n-ù a d ú N ô ] ô L U ô t ß ¡ \ Õ . C § Ú k Õ ÏÞdúLô£p Es[ Bß LôoTu AÔdLÞm ¡û[«pXôR ùS¥V Ne¡ AûUlûT ùLôiÓs[Õ G] A±VXôm.
A
B
www.Padasalai.Net ¨ûXVt\Õ
R
K¬ûQV Aªu
S
U
A@Tôh¥d ûPVúNô²Vm úNoUm ¨ûXVt\Õ. Hù]u\ôp C§p EP²ûNÜ ¨ûXlTÓjÕm RuûU CpûX. ( b) D ¬ û Q V A ª u L s û S h W v A ª X j Õ P u ®û]׬kÕ N-ûShWúNô AªuLs EÚYô¡\Õ. CûY ¿¬p LûWVôR UgNs ¨\ GiùQn. (CH3)2NH + HO N = O D¬ûQV Aªu
ÿ ¾¾®
(CH3)2N N = O
N-ûShWúNô ûPùUj§p Aªu (UgNs ¨\ GiùQn ¿¬p LûWVôÕ)
(c) ê®ûQV AªuLs ûShWv AªXjÕPu ®û]׬kÕ hûW BpûLp AmúUô²Vm ûShûWh El×Lû[j RÚm. CûY ¿¬p LûWÙm RuûU ùLôiPÕ. (CH3)3N + HONO ¾¾® (CH3)3NH+ NO2 ê®ûQV Aªu
hûW ÁjûRp AmúUô²Vm ûShûWh (El× ¿¬p LûW¡\Õ)
69. B) ÏÞdúLô³u LhPûUlûT YÚ®jRp. (i) R²U BnÜ, êXdáß ¨û\V±Rp B¡VYt±u A¥lTûP«p ÏÞdúLô£u YônTôÓ C6H12O6 BÏm. www.surabooks.com
ÏÞdúLôv
HI/P
CH3CH2CH2CH2CH2CH3 n-ùadúNu (iii) ÏÞdúLôv ¿¬p G°RôLd LûWkÕ SÓ¨ûXd LûWNûXj RÚ¡\Õ. CR]ôp ÏÞdúLô£p
C OH ùRôϧ || O
CpûX G]Xôm.
(iv) ÏÞdúLôv NH2OH EPu úUô]ôdûNm Utßm 1 úUôp HCN EPu NVú]ôûah¬û]Ùm RÚ¡\Õ. CR]ôp Bp¥ûaÓ ùRôϧ
C H || O
ApXÕ ¸húPôu ùRôϧ Es[Õ
GuTÕ ùR¬¡\Õ. (v) ÏÞdúLôûN ×úWôªu LûWNp ùLôiÓ ªRUô] Bd³_u Ht\m ùNnRôp ÏÞdLô²d AªXm ¡ûPd¡\Õ. CÕ ÏÞdúLô£p Bp¥ûaÓ ùRôϧ Es[ûRd LôhÓ¡\Õ.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
(vi) ÏÞdúLôv, ûSh¬d AªXj§]ôp úUÛm Ht\UûPkÕ NôdL¬d AªXjûR RÚ¡\Õ. CÕ ÏÞdúLô³p JúW JÚ K¬ûQV BpLaôp ùRôϧ Es[ûRd LôhÓ¡\Õ. COOH COOH | | Br2/H2O APo HNO3 (CHOH)4 (CHOH)4 ÏÞdúLôv (O) (O) | | COOH CH2OH
NôdL¬d AªXm
(B)
(C)
A B C
O
K2Cr2O7
ùTôhPô£Vm ûPÏúWôúUh
CrO2Cl2
ÏúWôûUp Ïú[ôûWÓ
K2CrO4
ùTôhPô£Vm ÏúWôúUh
70. ï)
CH3C º N HH
O
H
(iii) ùTôhPô£Vm ûPÏúWôúUh, KOH Gu\ LôWjÕPu ®û]׬kÕ UgNs ¨\ ùTôhPô£Vm ÏúWôúUh úNoUm (C)ûVj RÚm. 2 K2CrO4 + H2O K2Cr2O7 + 2 KOH
S
(vii) Ï Þ d ú L ô v P ô X u v L W ¦ û V E ú X ô L ùYs°VôLÜm, ùTe LûWNûX £Yl× ¨\ ÏlWv Bdû^PôLÜm JÓdÏ¡\Õ. CûY, ÏÞdúLô³p Bp¥ûaÓ ùRôϧ Es[ûRd LôhÓ¡u\]. (viii) ÏÞdúLôv, ©¬¼u Øu²ûX«p A£h¥d AªX ¿¬ÙPu ®û]׬kÕ, ùTuPô A£húPhûPj RÚ¡\Õ. Cq®û] ÏÞdúLô³p IkÕ ûahWôd£ ùRôϧLs Es[ûRd LôhÓ¡\Õ. úUtLiP ®YWeL°u A¥lTûP«p, ÏÞdúLôv JÚ ùTuPô ûahWôd£ ùadNú]p G] A±VlTÓ¡\Õ.
(ix) ÏÞdúLô³u LhÓUô] AûUl×.
(i) BWgÑ £Yl× ¨\ T¥L ¨ûX«p Es[ YûU ªÏ Bd³_ú]t± K2Cr2O7 ùTôhPô£Vm ilÏúWôúUh úNoUm (A) BÏm. (ii) ùTôhPô£Vm ûPÏúWôúUh, LkRL AªXjÕPu Ïú[ôûWÓ El×Pu ®û]׬kÕ BWgÑ £Yl× ¨\m EûPV YôÙ ÏúWôûUp Ïú[ôûWÓ CrO2Cl2 úNoUm (B)-ûV RÚm. K2Cr2O7 + 4 KCl + 6 H2SO4 2CrO2Cl2 + 6 KHSO4 + 3 H2O
K
ÏÞdLô²d AªXm
70. B)
O
16
SnCl2
¾¾® CH3CH = NH.HCl HCl
ïÄÅa« iA£nuhFnshiuL
Û¤ij raidL (B)
www.Padasalai.Net B
C |
CHOH
R
70. A) C6H5OH¾¾®Õdh NaOH
OH
S
¾¾®
U
FS¡nfh°
CHCl3
Õdh (A)
CHO
CHO (C)
M®¤njh
ghuh
iA£uh¡á bgrhoiAL
+ CH N 2
2
¾¾® ÿÿÿ OH ÿ
3CH3CHO OH
+
(B)
OH
OCH3
iA£uh¡á bgrhoiAL
D-
OHC
-
ghuh iA£uh¡á bgrhoiAL
-
mÅnrh
www.surabooks.com
O A B
-
C
-
CH3CHO CH3CN CH3 O
CH
- má£lhoiAL - Û¤ij iraidL - ghuhoiAL
O CHCH3
l¥ Al2(SO4)3 =
M®¤njh iA£uh¡á bgrhoiAL
OCH3
O CHCH3
CH3CH
70. <) ÄgFË Al2(SO4)3 MF«.
CHO OH
C-
¾¾¾®
O
O
+ N2
OH
-
CH
ml® H2SO4
CH3CH
(A) ilanrhÛ¤nj (D) mÅnrh A - C6H5OH Õdh B-
má£lhoiAL CH3 (A)
C = ÏXLNDÅZIKJ½P4
Glucose
OH
O H2 ÚuhgF¥ò CH3CH = NH.HCl ¾¾® CH3CHO + NH3
A
|
CHOH |
CHOH |
CHOH | CH2OH
l¥ Al2(SO4)3 =
1
d
3 189 3
3+ O
160 2
1 2
d 62 4
2
63 80
= 143 úUô.ùN.Á2¡.NUô]m1 m¥ÿAl2(SO4)3 = 2 ´ÿ189 + 3 ´ÿ160 = 858 úUô.ùN.Á2¡.NUô]m1
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RuhÉ l 12 M« tF¥ò
l
ntâÆa
l
12 M«
kh®¢ - 2017 Édh¤jh ÉilfSl
kh®¢ - 2017
tF¥ò
bghJ¤nj®î Édh¤jh (ÉilfSl)
ntâÆa
16.
U
17.
S
6.
7. 8.
CH
www.Padasalai.Net R
5.
O
4.
B
3.
A
2.
[30 × 1 = 30]
xU Kj tif ÉidÆ miuthî neu« 10 ÃÄl§f vÅ, mj Éidntf kh¿È : (m) 6.93 × 102 min-1 (M) 0.693 × 10-2 min-1 (ï) 6.93 × 10-2 min-1 (<) 69.3 × 10-1 min-1 Tk JffS¡fhd olh ÉisÉF fhuz« : (m) xË c¿Rj (M) xË Éyf (ï) xË¢ájw (<) ÄRik ïU¥gjh _y¡T¿D ÃfG« Hãiz¥ãfhd rhW : (m) o - ie£nuh Õdh (M) m- ie£nuh Õdh (ï) p - ie£nuh Õdh (<) Õdh ïu¤j« ciwjiy C¡FÉ¡F« nr®k« : (m) K2SO4.Al2 (SO4)3.4Al (OH)3 (M) K2SO4.Al2 (SO4)3.24Al(OH)3 (ï) K2SO4.Al2 (SO4)3.4H2O (<) K2SO4.Al2 (SO4)3.24H2O N 2+3H 2 l 2NH 3 vw rkÃiyÆ mâf msî m«nkhÅah »il¥gJ : (m) Fiwªj mG¤j« mâf bt¥gÃiy (M) Fiwªj mG¤j« Fiwªj bt¥gÃiyy (ï) mâf mG¤j« Fiwªj bt¥gÃiy (<) mâf mG¤j« mâf bt¥gÃiy ilbk¤â <Çiza ãô£il mÛÅ IUPAC bga® : (m) 2-mÄndh-3-bk¤â ãô£nl (M) 2-(N-bk¤â mÄndh) ãô£nl (ï) 2-(N, N ilbk¤â mÄndh) ãô£nl (<) 2-(N, N ilbk¤â mÄndh) ònuh¥ng fnyhÇ Û£l®f jahÇ¡f gagL« ïilÃiy¤ jÅk« : (m)Cr (M) Ni (ï) Zn (<) Cu 2H2O(g) + 2Cl2(g) l 4HCl(g) + O2(g) vw rkÃiy¡F:
S
F¿¥ò : (i) mid¤J Édh¡fS¡F« ÉilaË¡fî«. (ii) bfhL¡f¥g£l ehF ÉilfË Äfî« Vòila ÉilÆid nj®ªbjL¤J F¿p£Ll ÉilÆidí« nr®¤J vGJf.
K
gFâ - I
[bkh¤j kâ¥bg©f : 150]
11. ml® HNO3 kW« ml® H2SO4 fyitíl mÅnrh jUtJ: (m) M®njh ie£nuh mÅnrh (M) ghuh ie£nuh mÅnrh (ï) M®njh kW« ghuh ie£nuh mÅnrh (<) bk£lh ie£nuh mÅnrh 12. NaCl gof¤â Na + maÅia NªJs Cl maÅfË v©Â¡if : (m) 6 (M) 8 (ï) 4 (<) 12 13. fh¥g® rng£ Ú®¡fiurYl mâf cgÇ msî KCN nr®¡F« bghGJ cUthF« nr®k« : (m) Cu2 (CN)2 (M) K2 [Cu(CN)6] (<) Cu2 (CN2) + (CN2) (ï) K[Cu(CN)2] 14. òuj§fË f£Lkhd _y¡TWf: (m) a - iA£uh¡Ì mÄy« (M) a - mÄndh mÄy« (ï) b - iA£uh¡Ì mÄy« (<) b - mÄndh mÄy« 15. C2H5OC 2H5, CH 3 OCHCH 3 btË¥gL¤J« kh¿a« : |
O
[neu« : 3 kÂ]
1.
1
18.
19. (M) Kp > Kc 1 (ï) Kp< Kc (<) Kp = Kc 9. fiu¥gh ft® Tk¤âF rhW: (m) fiu¥ghÅ cs cnyhf« (M) ÚÇ cs rg® 20. ( ï) b#yh£o (<) Fe (OH)3 Tk« 10. Ñ¡f©ltW vJ xË¢RHᥠg©òilaJ? (m) CH3CH2COOH (M) HOOCCH2COOH (ï) CH3CH (OH) COOH (<) Cl2CHCOOH [1] (m) Kp = Kc
www.surabooks.com
3
(m) Éid¢bra bjhFâ (M) ïiz kh¿a« (ï) ïl« (<) r§»È¤ bjhl® ~gh®khoiAil gygoah¡»dh »il¥gJ: (m) ghuh~gh®khoiAL (M) ghuhoiAL (ï) gh®kÈ (<) ~gh®Ä¡ mÄy« mÛfË fhu¥ g©ãF¡ fhuz« : (m) ehK» mik¥ò (M) ie£u# mQ ïU¥gjh (ï) ie£u#ÅYs jÅ vy¡£uh ïu£il (<) ie£u#Å ca® vy¡£uh ft®jik Ãfu mQ¡fU Rikia ãtU« ________ th¥gh£o _y« fz¡»lyh«: (m) Z* = S Z (M) Z* = Z + S (ï) Z = Z* S (<) Z* = Z S Ñ¡f©ltW vâ ågoth¡Fj bra ïiy? (m) Tkkh¡»ia gagL¤Jj (M) bllh cUthj (ï) gofhu¤ij gagL¤â FoÚiu öikah¡f (<) lhÅid gagL¤â njh gjÅLj U 235 c£fU xU Ãô£uhid c¿á 54Xe139, 38Sr94 92 kW« x ÉisbghU£fis¤ jU»wJ. ïâ x vgJ : (m) 2 Ãô£uhf (M) 3 Ãô£uhf (ï) a - Jf (<) b - Jf
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2_
(m) CO 3_ (ï) NO 3
_
(M) SO 2 4 _ (<) NO 2
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kh®¢ - 2017 Édh¤jh ÉilfSl
S
32. fh®gÅ maÅah¡F« Mw nghuhid Él mâf« V? 33. ãs«ngh rhtá g¿ F¿¥ò vGJ. 34. H4P2O7- vy¡£uh òË th¥gh£oid tiuf. 35. ïilÃiy¤ jÅk§f cnyhf¡ fyitfis cUth¡FtJ V? 36. Fnuh«Kyh« óRj g¿ áWF¿¥ò tiuf. 37. 13 Al 27 + 2 He 4 2 14 Si 30 + 1 H 1 + Q vw c£fUÉidÆ Q kâ¥ig¡ f©l¿f. 27 4 30 1 13 Al , 2 He , 14 Si , 1 H , M»at¿ rÇahd Ãiwf Kiwna 26.9815 amu, 4.0026 amu, 29.9738 amu, 1.0078 amu MF«. 38. mâÄfl¤âfË VnjD« _W gafis vGJf. 39. v£nuhã vwh vd? mj myFfis¡ TW. 40. ärh£Èa® bfhifia¡ TWf. 41. nghÈ Kj tif Éid vwh vd? vL¤J¡fh£L jUf. 42. m®ëÅa° rkgh£oid vGâ És¡Ff. 43. Tkkh¡f vwh vd? vL¤J¡fh£L jUf. 44. bAl®r rkgh£o _W K¡»a¤Jt¤ijí« vGJf. 45. ïdánahk® kW« lah°oÇnahk®fË VnjD« _W ntWghLfis vGJf. 46. MfAhiy »Ç¡dh®L fu¡F fiu¥ghdhf gagL¤j KoahJ, fhuz« TW. 47. blhYåÅÈUªJ bgir MfAh vthW jahÇ¡f¥gL»wJ? 48. nuhrk©£ xL¡f« vwh vd? mâ BaSO4 nr®¥gj neh¡f« vd?J? 49. Û¤ij raidL má£likLÈUªJ vthW jahÇ¡f¥gL»wJ? 50. fhãÇna jhÈikL bjhF¤j g¿ vGJf. 51. rha§fË VnjD« _W áw¥ãaòfis vGJf.
O
26. Ñ¡f©ltW vJ v£nuhãia mâfÇ¡fhJ? (m) fiurÈ cs R¡nuhir gofkh¡Fj (M) ïU«ò JUão¤j (ï) gÅ¡f£oia Úuhf khWj (<) fóu¤ij gj§fkh¡Fj 27. b#£ ïaªâu ghf§f jahÇ¡f gagL« Mg- cnyhf¡fyit vJ? (m) 3 % ÄZ cnyhf« kW« 0.1 % Zr. (M) 30% ÄZ cnyhf« kW« 1% Zr. (ï) 30% ÄZ cnyhf« kW« 0.1 % Zr. (<) 3% ÄZ cnyhf« kW« 1% Zr. 28. M¡nrh ne® maÅfis cUth¡Fgit : (m) yhªjidLf (M) M¡oidLf (ï) caÇa thí¡f (<) fhu cnyhf§f 29. iA£nuhFnshÇ¡ mÄy¤ij nrhoa« fh®gnd£Ll ju« gh®¡F« nghJ gagL¤j¥gL« Ãw§fh£o : (m) bgh£lháa« bg®kh§fnd£ (M) Õdh¥jä (ï) Õdh át¥ò (<) bk¤â MuR 30. v¤âä »is¡fh PI3 cl ÉidòǪJ jUtJ : (M) CH2= CH2 (m) ICH2 CH2I (ï) CH2 = CHI (<) ICH = CHI
ntâÆa
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21. ie£nuh Û¤njid Zn/NH4Cl bfh©L xL¡»dh »il¥gJ : (m) CH3NH2 (M) C2H5NH2 (ï) CH3NHOH (<) C2H5COOH 22. uh¥ãndhi[ ÚuhgF¤jh »il¥gJ: (m) ïu©L xiw r®¡fiu (M) _W xiw r®¡fiu (ï) xU ïu£il r®¡fiu kW« xU xiw r®¡fiu (<) ïu©L xiw r®¡fiu kW« xU ïu£il r®¡fiu 23. mizî v© ehF bfh©l nr®k¤âfhd rhW : (m) K4[Fe (CN)6] (M) [Co (en)3] Cl3 (ï) [Fe (H2O)6]Cl3 (<) [Cu (NH3)4] Cl2 24. ouî£l ÉâÆÈUªJ ÉyfilªJs Ú®k« : (m) iA£nuhFnshÇ¡ mÄy« (M) rãôÇ¡ mÄy« (ï) gh°ghÇ¡ mÄy« (<) má£o¡ mÄy« 25. sp2 ïd¡ fy¥ig¥ bg¿U¡fhj maÅ ________.
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F¿¥ò : (i) VnjD« gâidªJ Édh¡fS¡F ÉilaË¡fî«. [15 × 3 = 45] (ii) xbthU ÉdhÉF« xW myJ ïu©L th¡»a§fË ÉilaË¡fî«. 31. bArg®¡ ÃiyÆyh bfhifia vGJf. www.surabooks.com
gFâ - III
F¿¥ò : xbthU ãÇÉÈUªJ« Fiwªjg£r« ïU Édh¡fis¤ nj®ªbjL¤J VnjD« VG Édh¡fS¡F ÉilaË¡fî«. [7 × 5 = 35]
ãÇî - m
52. nlÉr kW« b#®kÇ nrhjidia ÉtÇ. 53. m®#il£ jhJÉÈUªJ át® vthW ãǤbjL¡f¥gL»wJ? 54. yhªjidL FW¡f¤â Éisîfis vGJf. 55. j¡f rhWfSl mizîkh¿a« kW« maÅahj kh¿a§fis És¡Ff.
ãÇî - M
56. f£oyh Mw G- áw¥ãaòf ahit? 57. PCl 5 áijtilí« Éid¡F K p kW« kh¿ÈfS¡fhd rkgh£oid tUÉ¡fî«.
Kc
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58. ÉidtifÆ áw¥ãaòf ahit? 2 59. 0.01 M Cu 2+ -I¡ bfh©oU¡F« Cu (aq) /Cu (s) miufy¤â e.m.f. = +0.301 V. ïj â£l e.m.f. -I¡ fz¡»Lf.
ãÇî - ï
60. mnuhkh£o¡ kW« mÈ~gh£o¡ <j®fS¡»ilna cs ntWghLf Iªâid¤ jUf. 61. ãtU« Éidfis vGJf. (i) »skr xL¡f« (ii) bg®»° Éid 62. fh®gh¡áÈ¡ mÄy«, MfAhYl òÇí« v°luh¡Fj ÉidÆ tÊKiwia vGJf. 63. ka¡f kUªJf g¿ áWF¿¥ò vGJf.
gFâ - IV
F¿¥ò : (i) bkh¤j« ehF Édh¡fS¡F ÉilaË¡fî«. [4 × 10 = 40] (ii) Édh v© 70-¡F f£lhakhf ÉilaË¡f¥gl nt©L«. ÛjKs Édh¡fË VnjD« _W Édh¡fS¡F ÉilaË¡fî«.
70. (m) C6H6O vw _y¡TW th¥ghL bfh©l nr®k« (A) eLÃiy bg®Ç¡ FnshiuLl Cjh Ãw¤ij jU»wJ. nr®k« (A) CHCl3 kW« NaOH cl fh¢R« bghGJ ïu©L Inrhk®f (B) kW« (C) ia¤ jU»wJ. nr®k« (A) cl ilanrhÛ¤nj fhu¡fiur nr®¡F«bghGJ (D) vw <jiu jU»wJ vÅ (A), (B), (C) kW« (D)-I¡ f©l¿ªJ Éidfis vGJf. (M) (A) vw MuR át¥ò Ãw gof«, xU tÈik ÄF M¡á#nd¿. nr®k« (A), bgh£lháa« FnshiuL kW« ml® rãôÇ¡ mÄy¤Jl ÉidòǪJ, ÃwKs thí (B) ia btËÉL»wJ. KOH cl (A) ÉidòǪJ (C) vw kr Ãw fiur bgw¥gL»wJ vÅ (A), (B) kW« (C) -ia¡ f©l¿ªJ Éidfis vGJf. (myJ) (ï) C2H4O vw _y¡TW thghLila nr®k« (A), C2H3 N vw _y¡TW th¥ghLila nr®k« (B) ia <jÇ fiu¤J SnCl2 kW« HCl cl xL¡f« brJ jahÇ¡f¥gL»wJ. nr®k« (A) lhy° fuÂia xL¡F»wJ. xU JË ml® H 2 SO 4 nr®¡F«nghJ nr®k« (A) gygoah¡fY¡F c£g£L tisa nr®k« (C) I¤ jU»wJ vÅ (A), (B) kW« (C)-ia¡ f©l¿ªJ Éidfis vGJf.
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64. (m) ghȧ KiwÆ maÅ Mu¤ij fz¡»L« Kiwia És¡Ff. (M) caÇa thí¡f uh«n[-uhny KiwÆ vthW fh¿ÈUªJ ãǤbjL¡f¥gL»wd vgij ÉtÇ. 65. (m) ïizâw ãiz¥ò bfhifia gagL¤â [Ni(CN) 4] 2 ilah fhªj¤ jik bfh©lJ, [Ni(NH 3 ) 4 ] 2+ nguhfhªj¤ jik bfh©lJ vgij Ã%ã. (M) fâÇa¡f fh®g fhy îza Kiwia És¡Ff. 66. (m) f©zhoÆ jikia ÉtÇ. (M) ïaãa gu¥ò¡ ft®¢á¡F«, ntâÆa gu¥ò¡ ft®¢á¡FKs ntWghLf ahit? 67. (m) M°tho Ú®¤j Éâia És¡F. (M) Äfy¤âid F¿¥ãl gagL« IUPAC ÉâKiwfis F¿¥ãLf. 68. (m) tisa bA¡rdhÈ tr mik¥òfis ÉtÇ. mt¿ Ãiy¤jikia F¿¥ãLf. (M) ãtU« khw§f vthW Ãf»wd? i) rhÈáÈ¡ mÄy« 2 M°ãÇ ii) rhÈáÈ¡ mÄy« 2 Û¤ij rhÈány£ iii) gh®Ä¡ mÄy« 2 gh®kikL 69. (m) ie£u° mÄy« XÇiza, <Çiza, _Éiza mÛfSl vthW Éid òÇ»wJ? (M) FS¡nfhá mik¥ãid Ã%ã.
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fl¤J« âwf Kiwna 189 X« 1 br.Û 2 ». rkhd«1 kW« 160 X«1 br.Û2 ». rkhd«1 MF«. msÉyh Ú®¤jÈ ÄgFËÆ rkhd kW« nkhyh® fl¤J¤ âwid¡ fz¡»L.
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(<) msÉyh Ú®¤jÈ Al3+ kW« SO 2 - maÅ¡ 4
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1. 5. 9. 13. 17. 21. 25. 29.
(ï) (ï) (ï) (<) (ï) (ï) (M) (<)
2. 6. 10. 14. 18. 22. 26. 30.
(ï) (ï) (ï) (M) (<) (M) (m) (M)
3. 7. 11. 15. 19. 23. 27.
(m) (<) (ï) (M) (m) (<) (M)
4. 8. 12. 16. 20. 24. 28.
(<) (M) (m) (m) (M) (<) (M)
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
31.
O
ùanNuTod¡u ¨ûX«pXôd úLôhTôh¥uT¥, ""JúW úSWj§p ªLÜm ÕpVUôL ÖiÕL°u ¨ûX Utßm §ûNúYLm (ApXÕ EkRm) B¡VYtû\ A[®P Ø¥VôÕ.'' K L¦R®Vp Øû\lT¥, Dx . Dp ³ Dx = ÕL°u ¨ûX«p Es[ 4S ¨ûX«pXôjRuûU Dp = ÕL°u EkRj§p Es[ ¨ûX«pXôjRuûU h = ©[ôed Uô± 32. B (Z = 5) 1s2 2s2 2px1 C (Z = 6) 1s2 2s2 2px1 2py1. LôoT²u AÔdLÚ ªuÑûUVô]Õ úTôWôû]®P A§LUôÏm. CWi¥Ûm 2p- ÕûQdáh¥p Es[ Ko GXdhWôû] ¿dL úYiÓm. LôoTu A§L AÔdLÚ ªuÑûUûV ùTt±ÚlTRôp, ùY°dáh¥p Es[ 2p-GXdhWôû] úTôWôû]®P A§LUôL Dod¡\Õ. G]úY, LôoT²u ØRp AV²VôdÏm Bt\p úTôWôû]®P A§Lm BÏm. 33. Lôt±pXô ãr¨ûX«p, ùXh çV ¿¬]ôp Tô§dLlTPôÕ. B]ôp, ¿¬p Lôtß LûWk§Úl©u, LûWÙm RuûU ùTt\ SfÑj RuûU ùLôiP ùXh ûahWôdû^ûPj RÚ¡\Õ. CÕúY ©[múTô LûWlTôu RuûU (©[múTô NôpYu³) Gu\ûZdLlTÓ¡\Õ. 2Pb(OH)2 2Pb + O2 + 2H2O ùXh ûahWôdû^Ó 34. H4P2O7- vy¡£uh mik¥ò:-
TÏdÏmúTôÕ, ÏúWôªVm ùTôÚ°u (G§oªuYô«p) T¥¡\Õ. ÏúWôªVm ØXôm éÑYRtÏ Øu ¨dLp ØXôm éNlTÓ¡\Õ. 37. Dm = (29.9738 + 1.0078) (26.9815 + 4.0026) = 0.0025 amu Q = 0.0025 × 931 MeV. = 2.328 MeV. 38. (i) A§ªu LPj§ GuTÕ ×§V RûXØû\ Bt\p úNªl× §\u AûUl×L°u A¥lTûPVôÏm. A§ªuLPj§ ù_]úWhPoLs, NôRôWQ ù_]úWhPoLû[ ®P Ïû\kR GûPûVÙm, £±V EÚY[ûYÙm ùTtßs[]. úUÛm CûY Ïû\kR Bt\ûX TVuTÓjÕYRôp A§L Bt\ûX úNªdLXôm. (ii) A§L §\u ùLôiP RôÕ ©¬jùRÓdÏm CVk§WeL°p A§ªu LPj§ LôkReLs TVuTÓjRlTÓ¡u\]. (iii) A§ªu LPj§ ùN]ônÓLs, ØÝ EPûX BnÜ ùNnÙm ETLWQUôL AÔdLÚ LôkR Jj§ûNÜ TP ETLWQj§p TVuTÓ¡\Õ. 39. GuhúWô© GuTÕ JÝeLt\ RuûUûV A[®Óm Ti× ApXÕ Ko AûUl©p êXdáßL°u JÝeLt\ RuûUûVd ϱdÏm Ti× BÏm. CÕ JÚ ¨ûXf Nôo× Ti× BÏm. (S) G u h ú W ô © N ô o × G u T Õ E ª Z l T Ó m ùYlTj§tÏm (q) ùNVpØû\«u ùYlT¨ûXdÏm (T) Es[ ®¡RUôÏm.
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x- P- vy¡£uh -O- vy¡£uh -H- vy¡£uh 35. d-ùRôϧ R²UeLs JußPu Juß úNokÕ EúXôLd LXûYLû[ EÚYôdÏ¡u\]. CÕ Hù]²p CûYVû]jÕm H\jRôZ JúW AÔ AûUl× Utßm JúW Uô§¬Vô] T¥L AûUl× ùTt±ÚlTRôp, Ju±u CPjûR Utù\ôuß GÓjÕd ùLôs[ Ø¥Ùm. Nôuß. Cr-Ni, Cr-Ni-Fe.
36. Ï ú W ô m
êXôm éN úYi¥V ùTôÚû[ G§oªuYôVôLÜm, ùXh RLhûP úSoªuYôVôLÜm ùLôiÓ ÏúWôªd AªXm, Np@©ë¬d AªXd LXûY ªuTÏ°VôL GÓjÕdùLôs[lThÓ ªu]ôt www.surabooks.com
T T GuhúWô©«u AXÏ = ùYlTm × ùYlT¨ûX1 GuhúWô©«u AXÏLs: (i) LúXô¬ / ¥¡¬1 / úUôp1. (ii) eu / úUôp1. (iii) LúXô¬ K1 (iv) JK1 40. Ä NôhVo ùLôsûL«uT¥, ""NU¨ûX«p Es[ Ko AûUl©uÁÕ Tô§lûT HtTÓj§]ôp NU¨ûXVô]Õ AkR Tô§l©]ôp HtTÓm ®û[ûY NUu ùNnÙm §ûNûV úSôd¡ SLÚm. 41. JußdÏ úUtThP ®û]TÓ ùTôÚsLû[d ùLôiP JÚ ®û]«u ùUôjR ®û]YûLûV úNôRû] êXm ¨oQ«dÏmúTôÕ JúWùVôÚ ®û]TÓ ùTôÚû[j R®W Ut\ Aû]jÕ ®û]TÓùTôÚsLû[Ùm A§L ùN±ÜPu GÓjÕdùLôs[lThPôp, Aq®û]«u ®û]YûL ùUôjR ®û]YûLûV ®P Ïû\YôL Es[Õ. CqYôß §Új§VûUdLlThP Utßm Ïû\dLlThP ®û]Vô]Õ úTô ØRpYûL ®û] G]lTÓm.
S=
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
CH3COOH + CH3OH
pH = pKa + log (c¥ò) (mÄy«) [El×] = [AªXm] G²p, log 1 = 0 pH = pKa (iii) RôeLp LûWNÛPu úNodLlTÓmúTôÕ, AªXm Utßm El©u ùN±ûY Uôt± úRûYVô] pH Es[ RôeLp LûWNûX RVô¬dLXôm.
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42. AoͲVv NUuTôPô]Õ, k = AeEa/RT CfNUuTôh¥p, k = ®û]úYL Uô±, A = A§oÜ LôW¦, Ea = ¡[oÜß Bt\p, R = YôÙ Uô±, T = ùYlT¨ûX (ùLp®²p). 43. ÅrT¥Yô] ùTôÚs árUd LûWNXôL, LûWNp Es[ ªuTÏ°«u LôWQUôL ®WÜRp árUUôdLp G]lTÓm. CfùNVÛdÏ TVuTÓjRlTÓm ªuTÏ° árUUôdÏm LôW¦ G]lTÓm. Nôuß. (i) £pYo Ïú[ôûWÓPu ûahúWô Ïú[ô¬d AªXjûR úNojÕ árUUôdLp.
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(ii) ùTo¬d ûahWôdû^ÓPu ùTo¬d Ïú[ôûWûP úNojÕ árUUôdLp. 44. ùaiPoNu NUuTôh¥u Ød¡VjÕYm: (i) YûU Ïû\kR AªXm Utßm El©u ùRôPdL ùN±Ü Utßm ùLôÓdLlThP K a U§l©ÚkÕ RôeLp LûWNu pHI LQd¡PXôm. B]ôp LôWj RôeLp LûWNtLô] ùaiPoNu NUuTôÓ pOH U§lûT ùLôÓlTRôp pH U§lTô]Õ 14 pOH G] LQd¡PlTÓ¡\Õ. (ii) NUúUôXôo A[Ü AªXm ApXÕ LôWm Utßm El× B¡VYt±u RôeLp LûWNu pH U§lûT A[®ÓYRu êXm YûU Ïû\ AªXm ApXÕ LôWj§u ©¬ûL Uô±ûV LQd¡PXôm.
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G]úY, Ko CWiPôm YûL ®û]«p, HúRàm JÚ ®û]TÓùTôÚ°u ùN±ûY A§LUôL Utù\ôuû\ ®P GÓjÕdùLôsÞmúTôÕ Aq®û] ØRpYûL ®û]Vô¡\Õ. AjRûLV ®û] úTô ØRpYûL ®û] G]lTÓm. Nôuß: AªX Øu²ûX«p GvPûW ¿WôtTÏjRp
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45.
PVôv¥¬úVôUo J°ÑZt£«u A[®úXúV UôßTÓ¡\Õ.
CûY B¥©mTj ùRôPo×ûPVûYVôL CÚdLôÕ. CûY GpXô CVt©Vp Ti×L°Ûm úYßTÓm.
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C]u£úVôUo 1. J°ÑZt£ Uôt±VeLs JjR ÑZt£ A[ûYÙm G§oUû\Vô] ϱÂhûPÙm ùLôiPûY. 2. CûY úUtùTôÚkRôR ùTôÚs B¥ ©mT ùRôPo×ûPV ×\ùY° AûUl× ùLôiPûY. 3. CûY J° ÑZtßm §ûN«p UhÓm UôßTÓm. Ut\ GpXô Ti×L°Ûm JjRRô«ÚdÏm.
46. BpLaôpLs, YûU ªÏkR LôWeL[ô] R Utßm H B¡VYtßPu ®û]׬ÙU[Ü úTôÕUô] AªXj RuûU ùTt±ÚlTRôp, ¡¬d]ôoÓ LW¦ (RMgX) Utßm LiAlH 4 B¡VYt±u LûWlTôuL[ôLl TVuTÓjR CVXôÕ. OCH3 CH3OH + CH3MgX CH4 + Mg X 4CH3OH + LiAlH4 4H2 + LiAl (OCH3)4
47.
ùPôÛÅû] Ïú[ô¬ú]t\m ùNnÕ ©u]o NaOH LûWNÛPu ¿WôtTÏl× ùNnRôp, ùTuûNp BpLaôp EÚYôÏm.
C6H5CH3 ùPôÛÅu
Cl2
NaOH
ùTuûNp Ïú[ôûWÓ
C6H5CH2OH
+
NaCl
ùTuûNp BpLaôp
48.
AªX Ïú[ôûWÓLs ûahW_]ôp úT¬Vm NpúTh¥p Es[ ùTpúX¥Vm Øu²ûX«p JÓdLlTÓmúTôÕ Bp¥ûaÓLs EÚYôÏm ®û] úWôNuUih JÓdL ®û] G]lTÓm. CH3 C=O + H2 | Cl A£hûPp Ïú[ôûWÓ
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C6H5CH2Cl
HCl
Pd
BaSO4
CH3 C = O + HCl | H A£hPôp¥ûaÓ
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
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Bp¥ûaÓ úUÛm JÓdLUûPVôUp RûPùNnV BaSO 4 ®û]úYL SfNôL TVuTÓjRlTÓ¡\Õ. CpûXùV²p, EÚYô] Bp¥ûaÓ úUÛm JÓdLUûPkÕ K¬ûQV BpLaôXô¡ ®Óm.
CO
CO
NH CO
jhÈikL
KOH
CO
bgh£lháa« jhÈikL
N-M¡if jhÈikL
+
COOK
ºN
RNH2
Mif mÛ
bgh£lháa« ~jhny£
51.
Õ¦ YûLLs, EQÜl ùTôÚhLs B¡VYt±tÏ ¨\êhP NôVeLs TVuTÓ¡u\]. NôVm ¸rLôÔm £\lTmNeLû[ ùTt±ÚdL úYiÓm. (i) NôVeLs RÏkR ¨\eLû[l ùTt±ÚdL úYiÓm. (ii) Õ¦L°u úUp úSW¥VôLúYô, úYù\ôÚ LôW¦«]ôúXô NôVm JhPd á¥VRô«ÚdL úYiÓm. (iii) NôVm Õ¦L°u úUp ¨WkRWUôL ©ûQdLlTÓm RuûUÙûPVRôL CÚdL úYiÓm.
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50. RôûUÓ Gu\ úNoUm ùTôhPô£Vm ûahWôdûNÓPu
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®û]ThÓ ùTôhPô£Vm RôûUÓ Gu\ ùTôÚû[j RÚ¡\Õ. CRàPu BpdûLp aôûXÓ úNojÕ ®û]lTÓj§]ôp, N-BpdûLp RôûUÓ EÚYô¡\Õ. ARû] KOH úNojÕ ùYlTlTÓjR, ùTôhPô£Vm RôúXhÓm, K¬ûQV AÁàm EÚYô¡u\].
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cUth¡F»wJ. ïâ Ú® Ú¡f« bra¥gL»wJ. P2O5
RX
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4 9 . P 2 O 5 cl bt¥g¥gL¤j Û¤ij raidil CH3CONH2¾¾®CH3C
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52. úP®Nu Utßm ù_oU¬u úNôRû]: ùYlTlTÓjRlThP PedvPu ªu²ûZ«ÚkÕ ùY°lThP GXdhWôu Ltû\ûV EVo úSo ªu]ÝjRj§p ùNÛjÕmúTôÕ ØÓdLm ùTß¡u\]. CjRûLV ØÓdLm ùTt\ GXdhWôu Ltû\ûV ùT¬V Jtû\ ¨dLp T¥Lj§u ÁÕ ®ZfùNnÙmúTôÕ, GXdhWôuLs ùYqúYß §ûNL°p £R\¥dLlTÓ¡u\]. CqYôß ùT\lTÓm ®°m× Yû[Ü X-L§oLs êXm ùT\lThP ®°m× Yû[Ü AûUlûTl úTôp Es[Õ. ®°m× Yû[Ü AûUl×
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úP®Nu Utßm ù_oU¬u GXdhWôu ®°m× Yû[Ü úNôRû] X-L§oLs AûXlTiûT ùTt±ÚlTRôp, GXdhWôuLÞm AûXlTiûT ùTtßs[]. úUÛm, ®°m× Yû[Ü úNôRû] êXm A[®PlThP GXdhWôu AûX¿[ U§lTô]Õ, ¥-©Wôdú[ NUuTôh¥u êXm LQd¡PlThP AûX U§l×Pu Ju\ôL Es[Õ. CRu êXm GXdhWôu B]Õ AûXjRuûU ùTt±ÚlTÕ ¨ìTQUô¡\Õ.
53. £pY¬u RôÕdLs:
(i) Ao_uûPh (ApXÕ) £pYo ¡[ôuv, Ag2S. (ii) aôou £pYo (ApXÕ) Ïú[ôWôo´ûPh, AgCl. (iii) ûTWôo´ûWh (ApXÕ) ì© £pYo, Ag3SbS3. Ao_uûPh RôÕ®ÚkÕ £pYo ©¬jùRÓjRp: Uôd BoRo Utßm TôWvh NVû]Ó Øû\lT¥ £pYo Ao_uûPh RôÕ®ÚkÕ ©¬jùRÓdLl TÓ¡\Õ. CÕ ©uYÚm T¥L°p ¨Lr¡\Õ. (i) APo©jRp: ç[ôdLlThP RôÕ ÖûWªRl× Øû\ êXm APo©dLlTÓ¡\Õ. www.surabooks.com
(ii) R ô Õ û Y NaCN E P u úNojRp: APo©dLlThP RôÕûY SuÏ çs ùNnÕ 0.4-0.6% ùN±Üs[ úNô¥Vm NVû]Ó LûWNÛPu Lôtû\ ùNÛj§ ®û]lTÓjÕmúTôÕ, úNô¥Vm Aoù_uúPô NVû]Ó Guàm LûWVd á¥V AûQÜf úNoUm EiPô¡\Õ. Ag2S + 4NaCN
2Na[Ag(CN)2] + Na2S
úNô¥Vm Aoù_uúPô NVû]Ó LûWÙm RuûU
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl (iii) £ p Y o ÅrT¥YôRp: úNô¥Vm Aoù_uúPôNVû]Ó LûWNp Y¥LhPlThÓ, LûWVôR UôÑdLs ¿dLlTÓ¡u\]. Y¥¿o ´ed ç£ÙPu úNodLlThÓ, £pYo ÅrT¥YôdLlTÓ¡\Õ. 2Na[Ag(CN)2] + Zn Na2[Zn(CN)4] + 2Agÿ¯ (iv) ªu]ôt çnûUVôdLp: ªu]ôt TÏjRp êXm UôÑs[ £pYo çnûUVôdLlTÓ¡\Õ. UôÑLXkR £pYûW úSoªu YôVôLÜm, çV £pYo RLhûP G§oªu YôVôLÜm, 1% ûSh¬d AªXm LXkR £pYo ûShúWh LûWNp ªuTÏ°VôLÜm GÓjÕdùLôiÓ ªuNôWjûR ùNÛjÕmúTôÕ çV £pYo úSoªu Yô«p CÚkÕ LûWkÕ G§oªuYô«p T¥¡\Õ. 54. XôkRû]Ó ÏßdLj§u ®û[ÜLs: (i) A V ² L ° u LôWjRuûU: XôkRû]Ó ÏßdLjRôp, Ln3+ AV²L°u TÚUu, AÔ Gi
(ii) (iii) (iv)
A§L¬dL, A§L¬dL T¥lT¥VôL Ïû\¡\Õ. Tô_ôuv ®§«uT¥, Ln3+ AV²L°u TÚUu Ïû\YRôp, Ln(OH)3-p Es[ Ln3+ Utßm OH AV²dÏm CûPúV Es[ NLl©ûQl×l Ti× A§LUô¡\Õ. Ln3+ AV²L°u TÚUu Y¬ûN La3+ > Ce3+ ... > Lu3+ AV² BWm T¥lT¥VôL Ïû\kÕ ùLôiúP YÚ¡\Õ. AÔ Gi A§L¬dL, A§L¬dL JÓdÏm LôW¦VôL ùNVpTÓm §\àm Ïû\¡\Õ. CWiPôm, êu\ôm Y¬ûN«p Es[ d-ùRôϧ CûP¨ûXj R²UeL°u Ti×Ls XôkRû]Ó ÏßdLjRôp A§L A[®p JjÕs[]. XôkRû]Ó ÏßdLjRôp CkRj R²UeLs G°§p ©¬dL Ø¥VôR YûL«p CVtûL L²UeL°p ¡ûPd¡u\].
O
K
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7
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55. (A) AûQÜ Uôt±Vm. CÚ EúXôL AûQÜf úNoUj§p, AûQÜ úSoªu AV²Ùm, AûQÜ G§oªu AV²Ùm Es[]. CÚ AûQÜd úLô[eL°Ûm D²L°u Te¸Ó úYßTÓYRôp AûQÜ Uôt±Vm EÚYô¡\Õ. úSo Utßm G§oªu AV²L[ôL AûQÜ AV²Lû[d ùLôiP ©uYÚm úNoUeLs CmUôt±VjûRj ùR°YôL EQojÕ¡u\]. 1. [CoIII (NH3)6] [Cr (CN)6] Utßm [CrIII (NH3)6] [CoIII (CN)6] ùad^ôAmûUuúLôTôph (III) ùad^ôAmûUuÏúWôªVm (III) ùad^ôNVú]ôÏúWôúUh (III) ùad^ôNVú]ôúLôTôph (III) 2. [PtII (NH3)4] [CuCl4] Utßm [Cu(NH3)4] [PtCl4] ùPhWô AmûUu ©[ôh¥]m(II) ùPhWô AmûUu LôlTo(II) ùPhWô Ïú[ôúWô ÏlTúWh(II) ùPhWô Ïú[ôúWô ©ú[h¥ú]h(II) (B) AV² Uôt±Vm. JúW êXdáß YônTôhûPÙm, LûWNÛs úYßThP AV²VôdÏm RuûUÙm ùLôiP úNoUeLs AV² Uôt±VeLs G]lTÓm. AlTi× AV² Uôt±Vm BÏm. Nôuß. ©uYÚm £Yl×-FRô ¨\ úNoUeLs AV² Uôt\jûR SuÏ ®[dÏ¡u\]. [CO(NH3)5Br]SO4 [CO(NH3)5SO4]Br £Ll×-FRô £Ll× ùTiPôAmûUu×úWôúUô ùTiPôAmûUuNpúThúPô úLôTôph(III)NpúTh úLôTôph(III) ×úWôûUÓ £Ll×-FRô Uôt±Vm NpúTh AV²ûVÙm, £Ll× Uôt±Vm ×úWôûUÓ AV²ûVÙm LûWNp RÚ¡u\].
S
U
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A
B
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56. f£oyh Mw G- áw¥ãaòf:-
(i) G Vô]Õ (H TS) G] YûWVßdLlTÓ¡\Õ. H Utßm S B¡VûY Øû\úV AûUl©u GuRôp© Utßm GuhúWô©VôÏm. T = 2 ùYlT¨ûX, H Utßm S ¨ûX Nôo×L[ôL CÚlTRôp G B]Õ ¨ûXf NôoTôÏm. (ii) G GuTÕ ùTôÚiûU NôWôl TiTôÏm. DG = (G2 G1) G²p, Lh¥Xô Bt\p Uôt\Uô]Õ AûUl©u Cߧ (2) Utßm (1) ¨ûXLû[ Nôok§ÚlTRôp ùTôÚiûU NôWôl TiTôÏm. ARôYÕ Cߧ Utßm ùRôPdL ¨ûXLÞdÏ www.surabooks.com
CûP«p ¨û\ Uô\ôUp CÚdL úYiÓm ApXÕ AûUlTô]Õ ê¥V AûUlTôL CÚdL úYiÓm. (iii) G B]Õ AûUl©u Jtû\ U§l×ûPV ùYlT CVdL®Vp TiTôÏm. (iv) G Utßm DG-u U§l×Ls AûUlûT UhÓúU NôokRûYVôÏm. ùNVpØû\«u RuûUûV A±V DG-u êuß YûLLs úRûYlTÓ¡\Õ. DG < 0 (G § o Ï ± ), B L E s [ ú T ô Õ , ù N V p Ø û \ Ru²fûNVô]Õ Utßm ¨LZd á¥VÕ. DG = 0 G²p, ùNVpØû\ NU¨ûX EûPVÕ. DG > 0 (ú S o Ï ± ) G²p, ùNVpØû\, Ru²fûNVt\RôLÜm, ¨LZôRRôLÜm Es[Õ.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
PCl5(g)
PCl3(g) + Cl2(g)
Kp = Utßm Kp =
SPCl 3 . SCl 2 SPCl5 [2 P 1 [ 2
Tϧ
atm
atm
58. ®û]YûL«u £\l©Vp×Ls: (i) JÚ ®û]YûL«u Gi U§lTô]Õ éf£VUôLúYô, ©u]UôLúYô ApXÕ ØÝ GiQôLúYô CÚdLXôm. G°V ®û]LÞdÏ ®û]YûL ©u]UôL CÚdLôÕ. Hù]²p G°V ®û]Ls JúW T¥«p ¨Lr¡u\]. (ii) ® û ] Y û L ú N ô R û ] ê X m U h Ó ú U ¨oQ«dLdá¥VRôÏm. ®û]TÓùTôÚsLs Utßm ®û[ùTôÚsL°u NUuTôÓ A¥lTûP«p ¨oQ«dL Ø¥VôÕ. (iii) G°V ®û]Ls n = 0, 1, 2 úTôu\ Ïû\kR ®û]YûL U§l×Lû[ ùTt±ÚdÏm. ®û]YûL 3 ApXÕ ARtÏ úUtThP ®û]YûLLû[ ùLôiP ®û]Ls £dLXô] ®û]L[ôÏm. EVo ®û]YûL ®û]Ls ªLÜm A¬RôÏm. (iv) £X ®û]Ls ®û]úYLjûRl ùTôÚjÕ ©u] ®û]YûLLû[ ùTtßs[]. (v) EVo ®û]YûL ®û]Lû[ Juß ApXÕ ARtÏ úUtThP ®û]TÓ ùTôÚsL°u ùN±ÜLû[ A§LUôdÏYRu êXm G°V (úTô) ®û]L[ôL úNôRû] êXm Uôt\ CVÛm.
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T B]ôp DS = G²p, TDS = q = ùNVpØû\«p T SûPùTßm ùYlTUôt\m. \ÿDG = q w + PDV q = w + PDV ApXÕ DG = w PDV = ùUôjR úYûX Uô\ôR ùYlT¨ûX Utßm AÝjRj§p JÚ Ï±l©hP ùNVpØû\«uúTôÕ Lh¥Xô Bt\p Uôt\m Ïû\YÕ (DG) ®¬YûPÙm úYûXûVj R®W AûUl× ùNnÙm A§LThN úYûXûVd ϱd¡\Õ. CkR A[Yô]Õ AûUl× ùNnÙm A§LThN úYûX G]lTÓm Utßm (w P D V) dÏ NUUôÏm. \ ùUôjR úYûX = DG = w PDV DG G u T Õ P V ú Y û X û V j R ® W , AûUl©ÚkÕ ùT\lTÓm ªu úY§ ApXÕ TWl× úTôu\ Aû]jÕ úYûXLû[Ùm ϱdÏm. 57. PCl5 £ûRYûPÙm NU¨ûX YôÙ ¨ûXûU«p PCl5 £ûRYûPYRu NU¨ûX ©uYÚUôß
p PCl , p PCl U t ß m p Cl B ¡ V û Y 5 3 2 AÝjReLs G²p, AYt±u Yô«XôL
S
DG = DH TDS. ùYlT CVdL®Vp ØRp ®§lT¥, DH = DE + PDV Utßm DE = q w G²p, DG = q w + PDV TDS
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a úUôpLs PCl5 YôÙ V hP¬p ùRôPdLj§p CÚlTRôLd ùLôsúYôm. NU¨ûX«p x úUôpLs PCl5 £ûRYûPkÕ PCl3 Utßm Cl2 YôÙdLû[ RÚ¡\Õ. NU¨ûX«p PCl5, PCl3 Utßm Cl2 YôÙdL°u úUôXôo
U
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Kc
R
D [ [ [ , Utßm BÏm. V V V [PCl3 ] [Cl2 ] = [PCl5 ]
ùN±ÜLs Øû\úV
[ [ u V V V [2 = D [ = 2 × D [ V V
[2 (D [ ) V x GuTÕ ©¬ûL ÅRm Gußm AûZdLlTÓ¡\Õ. ®û]TÓùTôÚhL°u JÚ Tϧ ©u]m £ûRYûPYúR ©¬ûL ÅRm G]lTÓ¡\Õ.
59. E
= Eo
2.303R T [Cu 2+ ] log QF [Cu]
\ EoCu2+ / Cu= ECu2+ / Cu +
Kc =
x=
£ûRYûPkR úUôpL°u Gi¦dûL
ùRôPdLj§p Es[ úUôpL°u Gi¦dûL ù R ô P d L j § p 1 ú U ô p PCl 5 C Ú l T R ô L GÓjÕdùLôiPôp, Kc =
[Cu 2+ ] 2 303RT log [Cu] 2F
= 0.301 +
0.0591 0.1 log 2 1
= 0.301 +
0.0591 log 100 2
= 0.301 +
0.0591 × 2 = 0.301 + 0.0591 2
EoCu2+ / Cu = 0.36 V
[2 [2 . P = (1 [ ) RT (1 [ ) V
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl 60.
1. 2. 3. 4. 5.
AúWôUôh¥d DRoLs (A²úNôp) A§L ùLô§¨ûXûV ùLôiP ¿oUm. YôNû]l ùTôÚsLs RVô¬dLl TVuTÓ¡\Õ. LûWlTô]ôLl TVuTÓjR Ø¥VôÕ. ùThúWôÛdÏl T§p ùTôÚ[ôLl TVuTÓY§pûX. A²úNôp, HI ÙPu ùYlTlTÓjÕm úTôÕ À]ôp Utßm CH3I ùLôÓd¡\Õ.
ATôh¥d DRoLs (ûPGj§p DRo) B®VôÏm ¿oUm. EQoÜ ¿d¡VôL TVuTÓ¡\Õ. CûR LûWlTô]ôL TVuTÓjRXôm. CûR BpLaôÛPu LXkÕ ùThúWôÛdÏl T§p TVuTÓjRXôm. £±R[Ü HI ÙPu úNokÕ C2H5OH Utßm C2H5I Ùm RÚ¡\Õ. A§L A[Ü HI ÙPu úNokÕ 2C2H5I + H2O RÚ¡\Õ. ûShúWô Ht\m SûPùTßY§pûX.
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6. ûShúWô Ht\d LXûYÙPu ûShúWô A²úNôûXj RÚ¡\Õ. 7. G°Rô] Øû\«p ùTWôdû^Ó EÚYôY§pûX.
K
Lôt±p Es[ Bd³_àPu ®û]׬kÕ ùTWôdû^ûPj RÚ¡\Õ.
(i) ¡[UuNu JÓdL ®û]: ´ed CWNdLXûY Utßm APo HCl EPu Bp¥ûaÓLÞm, ¸húPôuLÞm JÓdLUûPkÕ ûahúWôLôoTuL[ôL Uôßm ®û] ¡[UuNu JÓdL ®û] G]lTÓm. Zn/Hg CH3CCH3 + 4 [H] CH3CH2CH3 + H2O HCl || ×ùWôlúTu O A£húPôu
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61.
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A£h¥d AªX ¿¬
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(ii) ùTod¡u ° ®û]: ùTuNôp¥ûaÓ EPu A£h¥d AªX ¿¬ úNojÕ úNô¥Vm A£húPh Øu²ûX«p ®û]TÓj§]ôp £u]ªd AªXm Gu\ ®û[ùTôÚs ¡ûPd¡\Õ. C6H5CHO + CH3CO CH3COONa O C6H5CH = CHCOOH + CH3COOH CH3CO £u]ªd AªXm A£h¥d AªXm
LôoTôd£d AªXeLs, L²U AªXm Øu²ûX«p, BpLaôpLÞPu ®û]lThÓ GvPoLû[ RÚm ®û] GvPWôdÏRp ®û] G]lTÓm. CH3COOH + C2H5OH
A£h¥d AªXm
GjR]ôp
H+
CH3COOC2H5 + H2O Gj§p A£húPh
GvPWôdÏRp ®û]«u Y¯Øû\. AªXj§p OH ùRôϧ ×úWôhPú]t\m ùTtß, BpLaôûX LÚdLYo RôdÏRÛdÏ Y¯YÏlTRu êXm GvPo EiPô¡u\Õ. T¥ 1. LôoTôd£d AªXm ×úWôhPú]t\m AûPRp. + H H+ CH3COO CH3COOH H
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
10
T¥ 2. LÚdLYo LW¦ RôdÏRp.
+
CH3COO
H H
+
H | O+ C2H5 | + H CH3CO | H O
.. C2H5OH
H+ H2O
CH3COC2H5 || O 63.
Na+ 2, 8
O
K
NaF T¥Lm:
KCl T¥Lm:
}
Ne YûL AûUl×
F
2, 8
K+
2, 8, 8
}
Ar YûL AûUl× 2, 8, 8 úUÛm, ¸rLiP CWiÓ átßLÞm AV² BWeLû[ LQd¡P TVuTÓjRlTÓ¡u\]. (i) Ko AV²lT¥Lj§p Es[ úSoªu Utßm G§oªu AV²Ls Juû\ùVôuß ùRôhÓ ùLôi¥ÚdÏUôß LÚÕmúTôÕ, AYt±u AV² BWeL°u áÓRXô]Õ AYt±t¡ûPúVVô] AÔdLÚdL°u ùRôûX®tÏ NUUôL CÚdÏm. r(C+) + r(A) = d(C+ A) ... (1) ARôYÕ r(C+) = úSoªu AV² (C+) u BWm r(A) = G§oªu AV² A-u BWm + d(C Cl) = C+ A Gu\ AV²T¥Lj§p + Es[ C Utßm A AV²L°uAÔdLÞd¡ûPlThP ùRôûXÜ (ii) JÚ UkR YôÙ GXdhWôu AûUl©p, Ko AV²«u BWUô]Õ, ARu AÔdLÚ®u ¨LW ªuÑûUdÏ G§o ®¡Rj§ÚdÏm. ARôYÕ
O
ka¡f kUªJf:CûY EQo®ZdLf ùNnÙm UÚkÕLs. CûY CÚYûLlTÓm. (A) ùTôÕ UVdL êh¥Ls. CûY GpXô YûLVô] EQoûYÙm CZdLf ùNnTûY. ϱlTôL Y EQoûY ÁsRuûUÙPu CZdLf ùNn¡\Õ. (B) ϱl©hP CPjûR EQo®ZdLf ùNnÙm LôW¦Ls - ùTôÕ EQoûY Tô§dLôUp, YÙs[ CPj§p UhÓm Y EQoûY ¿dÏ¡\Õ. (i) ûShWv Bdû^Ó N2O : ¨\Ut\, ùS¥ CpXôR L²U YôÙ. EQoÜ ¿d¡L°p ªL TôÕLôlTô]Õ. CÕ DRo úTôu\ Ut\ EQoÜ ¿d¡LÞPu LXkÕ TVuTÓjRlTÓ¡\Õ. (ii) Ïú[ôúWôTôWm CHCl3 : B®VôÏm §WYm, C²V UQm, ÑûYÙs[Õ. Bd£_àPu SfÑj RuûUÙs[ LôoúTô²p Ïú[ôûWûP EiPôdÏ¡\Õ. AR]ôp CÕ RtúTôÕ TVuTÓjRlTÓY§pûX. (iii) DRo : C2H5OC2H5 G°§p B®VôÏm §WYm. C Õ 0.002% × W û T p a ô û X Ó P u L X k Õ TVuTÓjRlTÓ¡\Õ. CeÏ ×WûTp aôûXÓ ¨ûXlTÓj§VôLl TVuTÓ¡\Õ. §ÑdL[ôp EhLYWlThP ©u×, ûUV SWm× UiPXjûRj Rôd¡ EQo®ZdLf ùNn¡\Õ.
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gFâ
- IV
64. A) AV² BWeLs LQd¡Pp: NaF, KCl, RbBr U t ß m CsI B ¡ V S ô u Ï T ¥ L e L ° u AÔdLÚdLÞdÏ CûPlThP ùRôûX®u A¥lTûP«p AV² BWeLû[ Tôe LQd¡hPôo. JqùYôÚ AV² T¥Lj§p Es[ úSoªu Utßm G§oªu AV²Ls UkR YôÙdL°u GXdhWôu Gi¦dûLÙPu NUUôL (isoelectronic) Es[]. www.surabooks.com
r(C+) µ
1 Z* (C+ )
... (2)
r(A) µ
1 Z (A )
... (3)
*
Z * (C +) Utßm Z * (A ) B¡VûY Øû\úV úSoªu (C+) Utßm G§oªu (A) AV²L°u ¨LW ªuÑûUL[ôÏm. NUuTôÓLs (2) Utßm (3) B¡VYtû\ CûQjRôp,
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
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Lôtß Utßm Bd³_u LXkR LXûY ùRôPof£VôL U (C ) Z* (A ) ùNÛjRlTÓ¡\Õ. CYt±às CWiÓ ©[ôh¥]m ªu = * ... (4) U (A ) Z (C ) Øû]Ls ûYdLlThÓs[]. 6000 - 8000 úYôph d(C+A), Z* (C+) Utßm Z* (A) B¡V U§l×Ls ªuNôWm CRàs ùNÛjRlTÓ¡\Õ. AlúTôÕ ûShW_u úYLUôL Bd³_àPu úNokÕ ûShW_u ûP ùR¬ÙmúTôÕ NUuTôÓLs (1) Utßm (4) I TVuTÓj§ BdûNûPj RÚ¡\Õ. LXj§às úNô¥Vm r(C+) Utßm r(A) U§l×Lû[ LQd¡PXôm. ûahWôdûNûPj ùRôPof£VôL ùNÛj§ CkR 64. B) BdûNÓ LûWdLlTÓ¡\Õ. UkR YôÙdLû[l ©¬jùRÓjRp: UkR YôÙdLs N2 + O2 2NO Lôt±Ûs[ Bd³_u, ûShW_u úTôu\Ytû\Ùm, 2NO + O 2NO2 2 LôoTu-ûP-BdûNÓ, ¿Wô®, ç£ úTôu\Ytû\Ùm 2NO + 2NaOH NaNO3 + NaNO2 + H2O 2 ¿d¡ ©¬jùRÓdLlTÓ¡u\]. CYtû\ ¿dL úY§«Vp úLô[Y¥Y LiQô¥ Tôj§Wj§às HúRàm ApXÕ CVt©Vp Øû\Ls TVuTÓjRlTÓ¡u\]. Bd³_u CÚl©u AÕ LôWeLXkR ûTúWôLXôp úY§«Vp Øû\lT¥ úRûYVt\ YôÙdLs úNoUeL[ôL ùNÛj§ LûWjÕ ¿dLlTÓ¡\Õ. £±Õ úSWm ùNu\©u Uôt± ¿dLlTÓ¡u\]. CVt©Vp Øû\«p ¿oUd Lôtß, ªuNôWm ùNÛjÕYûR ¨ßj§ ÁRØs[ Lôtû\ ©u] B®VôdLp êXm úRûYVt\ ùTôÚhLs LXûY«Ûs[ UkR YôÙdLs ¿dLlTÓ¡u\]. ¿dLlTÓ¡u\]. ªuUôt± úY§«Vp Øû\: úUu úUÛm ªu ùTô±ûV Lôt±p ùNÛj§ ûShW_u Utßm Bd³_u B¡VYtû\ ®û]׬Vf ùNnÕ ûShW_u ûP BdûNPôL ¿dLlTÓ¡\Õ. (N2 + 2O2 2NO2) ÁRØs[ûY UkR YôÙdL°u LXûYVôÏm. AÓjRRôL (TWl×d LYof£«u êXm) úYßThP ùYlT¨ûXL°p ¡[oÜ ùTt\ LpL¬«às UkR YôÙdL°u LXûYûV ùY°úVßm ùNÛj§ CûY ©¬dLlTÓ¡u\]. EsYÚm Es×Ïm Y° UiPXj§Ûs[ Bd³_u Utßm ûShW_û] ûShW_u ûP BdûNPôL ¿dÏRp úY§«Vp Øû\«p UkR WômúN-WôúX Øû\. YôÙdLû[l ©¬jRp WômúNô-WôúX Øû\. 50 hPo ùLôs[[Ü Es[ LiQô¥Vôp ùNnVlThP úLô[ Y¥Y Tôj§Wj§às 65. A) (i) [Ni(CN)4]2: Ni [z = 28] ùY°dáhÓ GXdhWôu AûUl× = 4s2 3d 8
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Ni2+ ùY°dáhÓ GXdhWôu AûUl× = 4s0 3d 6 G
Ni
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[Ni(CN)4]2 Gu\ AûQÜd úLô[j§p Es[ (CN) NVú]ô D² YÛÜs[ D² GuTRôp, dBo©hPôu GXdhWôuLû[ CûQ ùNnV ûYd¡\Õ. C]dLXl©tÏ ©u R²jR GXdhWôuLs CpXôRRôp úNoUm, ûPVô LôkRj RuûU ùTß¡\Õ. G V S
>1L &1 @
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x x
&1 &1
&1
x x
x x
&1 &1 &1
GVS &@G/;O
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
12 (ii)
[Ni(NH3)4]2+:
Ni2+ GXdhWôu AûUl× G Ni
V
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[Ni(NH 3 ) 4 ] 2+ G u T § p E s [ NH 3 D ² Y Û Y t \ D ² V ô Ï m . C Õ C û Q V ô L ô R d-G X d h W ô u L û [ C û Q ù N n V û Y l T § p û X . C R ] ô p C ] d L X l © t Ï © u R ² j R d-GXdhWôuLs CWiÓ Es[]. G]úY CfúNoUm TôWô LôkRjRuûU ùTß¡\Õ. x x
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òij¥bghU gok¤âYs C14 msî vw rkgh£il¥ gagL¤â òijbghU gok¤â fhy¤ij fz¡»lyh«. 66. A) LiQô¥Ls: £X ¿oUeLû[ ®ûWYôL Ï°o®dÏmúTôÕ Ï±l©hP ùYlT¨ûX«p T¥LeLû[ EÚYôdÏY§pûX. B]ôp ùUÕYôL Ï°WûYdÏmúTôÕ AYt±u Tô¡Vp RuûU ºWôL A§L¬jÕ Cߧ«p LiQô¥f úNoUm EÚYô¡\Õ. LiQô¥«u Ød¡V Ti×Ls: L¥]j RuûU, Lh¥ßdLm Utßm ®ûNûV ùNÛjÕm úTôÕ, RôeÏm RuûU úTôu\ §P ¨ûXûU«u Ti×Lû[l ùTt±Úd¡u\]. B]ôp Uô\ôL CûY J° §ûNùVôl× Ti×ûPVûY. ARôYÕ ùYlTlTÓjÕmúTôÕ ¾odLUô] Uôt\m HÕªu± ¿oUUô¡\Õ. EVoùYlT¨ûX«p LiQô¥Ls A§Ï°WûYdLlThP ¿oUjûRl úTôuß ¨ûXûU Uô± T¥LeL[ôL ©¬¡u\]. G]úY, LiQô¥Vô]Õ T¥L EÚYUt\ §PlùTôÚsLs ApXÕ A§Ï°WûYdLlThP ¿oUeLs G]lTÓ¡\Õ. G]úY, LiQô¥ ApXÕ ®h¬Vv ¨ûXûU (Vitreous state) GuTÕ §P Utßm ¿oU ¨ûXûULÞdÏ CûP«p Es[ ¨ûXûU G]lTÓ¡\Õ. £X úNoUeLs Ck¨ûXûU«p Es[].
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65. B) fâÇa¡f fh®g fhy îza Kiw:Éyh®L kW« È¥ã vw m¿Éa m¿P®f jhtu kW« ÄUf§fË òij gok§fË (fossils) fhy¤ij m¥bghUfË 14 váís fâÇa¡f¡ fh®gÅ 6C msîfËÈUªJ fz¡»L« Kiwia cUth¡»d®. ca®tËk©ly¤â fh°Ä¡ fâ® å¢rh C 14 cUth»wJ. N14 + 0n1¾¾®6C14 + 1H1 7 ïthW cUthF« C14 ÉiuÉ M¡Ì# Vw« milªJ C 14 bfh©l 14 CO 2 thí cUth»wJ. ïthí xËnr®¡if Ãfth jhtu§fË EiH»wJ. ï¤jhtu§fis c©gjh C 1 4 ÄUf§fSlÈY« nrU»wJ. ï¤jhtu§fS« ÄUf§fS« ïwªjã C14 Vò ÃW¤j¥g£L C14 áijî bjhl§F»wJ. C14 ¾¾®7N14 + 1e0 6 ÿ ÿ ÿ ÿ ÿ ÿ fâÇa¡f fh®gÅ (C 1 4 ) miu thfhy« t1/2= 5700 M©LfshF«. òijbghU gok¤â (fossils) váís C 14 msit¡ f©l¿ªnjh myJ xU »uh« msîs m¥bghUfËÈUªJ btËÆl¥gL« b Jf nghw fâ®å¢RfË v©Â¡ifia¡ fz¡»£nlh mitfË fhy¤ij¡ fz¡»lyh«.
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66. B)
CVt©Vp TWl×d LYof£ 1. CÕ êXdáßLÞd¡ûPlThP YôiPoYôpv ®ûN«u LôWQUôL SûPùTß¡\Õ. 2. YôÙdL°u RuûUûVl ùTôÚjRÕ. G°§p §WYUôdLd á¥V YôÙdLs ®ûW®p TWl×d LYWlTÓ¡u\]. www.surabooks.com
úY§«Vp TWl×d LYof£ úY§l ©ûQl× EÚYôRu LôWQUôL SûPùTß¡\Õ. CVt©Vp TWl×d LYof£ûV ®P úRokÕ ùNVXôtßm RuûUÙûPVÕ.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
CH3COO + H+
CH3COOH
B2 C 1 B
Ka = ®§VôÏm. Kb =
GuTÕ BvhYôp¥u ¿ojRp
B
2
YûU
C
1
B
Utßm
Ïû\kR
a=
KE , C
LôWeLÞdÏ
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CÚdLúYiÓm. Kb = YûU Ïû\kR LôWj§u ©¬ûL Uô±. CkR ®§ YûU ªÏkR ªuTÏ°LÞdÏ ùTôÚkRôÕ. YûU ªÏkR ªuTÏ°LÞdÏ a Yô]Õ 1.0 I ùSÚeÏmúTôÕ Ka u U§l× ªL A§LUôL EVÚ¡\Õ. 67. B) ªuLX YûWTPm ApXÕ ªuLXjûRd ϱjRp: ªuLX YûWTPm GuTÕ JÚ ªu úY§d LXj§u YônTôÓ Guú\ á\Xôm. CûRd ϱl©ÓmúTôÕ JÚªuLXm CWiÓ AûWªuLXeLû[d ùLôiPRôL LÚÕ¡ú\ôm. Ko AûWªuLXm GuTÕ, Ko EúXôL ªuYôn, AqÜúXôL AV² Es[ LûWNÛPu ùRôPo× ùLôi¥ÚdÏm AûUlúT BÏm. IUPAC ®§Øû\Ls. 1953 YÚPm IUPAC ¸rLiP ®§Øû\Lû[d ûLVôiÓ JÚ ªuLXj§u YônTôh¥û] GÝRúYiÓm G]d á±VÕ. Zn-Cu ªuLXjûR Nôu\ôLd ùLôiÓ CRû] ®[dÏúYôm. (1) JÚ ùNeÏjÕdúLôÓ, ªuYôn, Utßm LûWNÛs[ AV²ûVÙm ©¬jÕd LôhP TVuTÓ¡\Õ. CRu A¥lTûP«p CWiÓ AûWªuLXeLû[ ¸rLiPYôß Ï±l©PXôm.
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67. A) YûU Ïû\kR ªuTÏ°LÞdLô] BvYôp¥u ¿ojRp ùLôsûL: AoͲVv ùLôsûLlT¥, YûU Ïû\kR ªuTÏ°Ls ¿¬p TϧVôL ©¬ûLVûP¡\Õ. ©¬ûLVûPkR ªuTÏ° êXdáßLÞPu NU¨ûXûV ùLôiÓs[Õ. BvYôp¥u ¿ojRp ®§ YûU Ïû\kR ªuTÏ°«u ©¬ûL Uô±ûV ©¬ûL ÅRm Utßm ARu ùN±ÜPu ùRôPo×TÓjÕ¡\Õ. YûU Ïû\kR ªuTÏ° CH3COOH u ©¬ûL NU¨ûXûVd LÚÕúYôm.
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AÝjRm GjRûLV Tô§lûTÙm HtTÓjÕY§pûX. Jtû\ êXdáß AÓdÏ UhÓm EÚYô¡\Õ.
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CVt©Vp TWl×d LYof£ TWl×d LYoRu ùYlTm Ïû\YôÏm. Ás RuûUÙûPVÕ. Ïû\kR ùYlT¨ûX«p ùUÕYôL, TWl×d LYoRp SûPùTß¡\Õ. ùYlT ¨ûXûV EVojÕmúTôÕ TWl×d LYoRu ÅRm Ïû\¡\Õ. AÝjRjûR EVojÕmúTôÕ TWl×d LYoRp A§L¬d¡\Õ. TWl×d LYÚm ùTôÚ°u TWl©u ÁÕ TX êXdáß AÓd¡û]j úRôtß®d¡\Õ.
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[H + ] [CH3COO ] Ka= [CH3COOH]
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Ka= AªXj§u ©¬ûL Uô± aÿ GuTÕ ©¬ûL ÅRm G²p, AÕ ùUôjR CH3COOH p ©¬ûLVûPkÕs[ ©u]m BÏm. G]úY, (1 a ) GuTÕ CH 3 COOH u ùUôjR ùN±®p ©¬ûLVûPVôR Gi¦dûLVôÏm. C GuTÕ CH3COOH u ùRôPdL ùN±Ü G²p, NU¨ûX«p Ca, Ca Utßm C(1 a) GuTûY Øû\úV H+, CH3COO Utßm CH3COOH u ùN±ÜL[ôÏm. C B .C B B2 C Ka= C (1 B ) = 1 B
a ªLd Ïû\YôL Es[úTôÕ, Ka = a2C KD úUÛm [H+] = [CH3COO] = Ca C
Utßmÿaÿ= [H+]
=
1/ 2 ¦ KD µ C§ ¶ ¨ C ·
= (Ka.C)1/2 =
K D .C
Zn | Zn2+ úSoªuYôn AûWLXm
Cu2+|Cu ¨ûXûU GpûX G§oªuYôn AûWLXm
úSoªuYôn GlúTôÕm CPl×\UôLÜm, G§oªuYôn (AûWLXm) YXl×\UôLÜm LôhPlTPúYiÓm.
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RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
El×lTôXm
Cu2+ | Cu
||
úSoªu AûWLXm
G§oªu AûWLXm
(5) ªuLX ®û]«p DÓTPôR, ®û]Ù\ô EúXôL ªuYôn (Nôu\ôL pt ªuYôn) ùTôÕYôL Ko AûPl×d ϱdÏs LôhPlTÓ¡\Õ. ®û]Ù\ô ªuYôn
Mg | Mg2+
úSoªu AûWLXm
||
H+ | H2(Pt)
G§oªu AûWLXm
|| CuSO4 + Cu E = +1.1 V
Cu | CuSO4
||
GXdhWôu KhPj§u §ûN AúR NUVj§p ¸rLiP LXj§tÏ, ZnSO4 | Zn E = 1.1 V
GXdhWôu KhPj§u §ûN ªu AÝjRj§u G§oUû\ A[Ü, CdLX®û] Ru²fûNVôL SûPùT\ôÕ GuTûRd LôhÓ¡\Õ. B]ôp CRu G§o LXj§u ®û] Ru²fûNVôL ¨LÝm. ªuLXj§u ªu AÝjRm 1.1 V. CkR úP²Vp ªuLXj§u ®û] Cu(s) + Zn(aq)2+ Cu(aq)2+ + Zn(s) Uô\ôL CRu G§oªuLXj§p HtTÓm ®û]. úUtùNôu] ®û]«u ©uú]ôd¡V ®û]VôÏm. CqYôß ªuú]ôhPj§u §ûN ªuLXj§u ®û]ûV §Úl×múTôÕ, G§o §ûN«p CÚdÏúUVô]ôp, CdLXu ÁsRuûUÙûP ªuLXm G]lTÓm. CdLXj§u ªu AÝjRj§p ªLf £±V A[Ü Uôt\jûR HtTÓjÕYRu êXúU CdLXj§p ¨LÝm ®û]ûV Øuú]ôd¡úVô, ©uú]ôd¡úVô SûPùT\f ùNnV Ø¥Ùm.
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(6) JÚ ªuLXj§u ªu AÝjRm, ªuLX TPj§u YXÕ ×\j§p LôhPlTÓ¡\Õ. Zn-Cu LXj§u ªu
Zn | ZnSO4
S
Zn | Zn2+
A Ý j R m 1.1 ú Y ô p h G u T û R d ¸ r L i P Y ô ß LôhÓ¡ú\ôm.
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(2) CWiÓ ùNeÏjÕdúLôÓLs, úSoªuYônG§oªuYôn AûWLXj§Ûs[ LûWNpLs Juú\ôÓ Juß úSW¥j ùRôPo× CpXôR B]ôp CûY CWiÓm JÚ El×l Tô[j§u êXm ªuùRôPo× EûPVRôLd LôhÓ¡u\]. (3) úSoªu AûWLXj§Ûs[ EúXôL ªuYôn CPÕ ×\ JWj§Ûm, G§oªu AûWLXj§Ûs[ EúXôLªuYôn YXÕ ×\ KWj§ÛUôLd LôhPlTÓ¡\Õ. (4) JÚ ªuLXj§u ØÝûUVô] YônTôh¥p CWiÓ AûWLXeLÞm CWiÓ ùNeÏjÕd úLôÓL[ôLl ©¬jÕd LôhPlTÓ¡\Õ. Zn-Cu LXjûRl ©uYÚUôß GÝRXôm.
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68. A)
A
Yû[V ùadN]ôp CÚ SôtLô Y¥YeL°p Es[Õ. AûYVôY]:
R
OH
(I)
S
U
(II) OH CûY Ju±ÚkÕ Utù\ôu±tÏ Uôßm RuûU EûPVûY. úUÛm Cq®Ú YNAûUl×LÞm NU¨ûX«p Es[]. JÚ YNAûUl©p (I) OH ùRôϧ AfÑY¯ ©ûQl©p Es[Õ. Utù\ôu±p (II) OH ùRôϧ úLôQY¯ ©ûQl©p Es[Õ. AfÑY¯ YNAûUl×, AR]ôp úLôQY¯ AûUlûTd Lôh¥Ûm £±Õ A§L Es[ôt\p EûPVÕ. AR]ôp, úLôQY¯YN AûUl× NU¨ûX«p 90% A[®Ûm, AfÑY¯YN 10% A[®Ûm Es[]. AfÑY¯ T§, ARtÏ êu\ôm LôoTu AÔÜPu CûQdLlThÓs[ AfÑY¯ ûahW_u AÔdLÞm CPùSÚdL¥ CûPÂÓ ®ûN«p DÓTÓ¡u\]. CÕ AfÑY¯ YNAûUl©u ¨ûXjRuûUûV Ïû\d¡\Õ. CÕ 1, 3 CÚU¥ AfÑY¯ ϱd¸hÓ ®ûN Gu¡ú\ôm. CjRûLV ®ûN úLôQY¯ AûUl©p CpûX. Bt\p
TPÏYNm
A.Y.
0.7 kcal
úLôQY¯
®û]AfÑ www.surabooks.com
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SURA's Guides for 3rd to 12th Std for all Subjects in TM & EM Available
RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
15
68. B)
(i) Nô£d AªXjÕPu, A£h¥d AªX ¿¬ úNojÕ AûNúXt\ ®û] ¨Lrj§]ôp, Bv©¬u EÚYô¡\Õ. OH OCOCH3 + (CH3CO)2O A£h¥d AªX ¿¬ COOH COOH ÿÿD
Nô£d AªXm
A£hûPp Nô£d AªXm (A) Bv©¬u
(ii) Nô£d AªXjÕPu, APo H2SO4 Øu²ûX«p ùUj§p BpLaôp úNojÕ ùYlTlTÓj§]ôp, C²V UQØûPV ùUj§p Nô£úXh EÚYô¡\Õ. COOH
+
OH
APo. H2SO4
CH3OH
COOCH3
+ H2O
S
OH
ùUj§p Nô£úXh
ÿ
O
H2O m«nkhÅa« ~gh®nk£ ~gh®nk£
O
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿD (iii) HCOOH + NH3 ¾®HCOONH4 ¾¾®HCONH2 ÿ
K
Nô£d AªXm
69. A) ( a) K ¬ û Q V A ª u L s û S h W v A ª X j Õ P u ®û]׬kÕ BpLaôp Utßm ûShW_u YôÙûYd ùLôÓd¡u\]. CH3NH2 + O = N OH¾® [CH3 N = N OH] ¾®CH3OH + N2
(ii) £Yl× TôvTWv Øu²ûX«p, ûa¥úWô AúVô¥d AªXm ÏÞdúLôû^ Øt±ÛUôL JÓd¡, n-ù a d ú N ô ] ô L U ô t ß ¡ \ Õ . C § Ú k Õ ÏÞdúLô£p Es[ Bß LôoTu AÔdLÞm ¡û[«pXôR ùS¥V Ne¡ AûUlûT ùLôiÓs[Õ G] A±VXôm.
A
B
www.Padasalai.Net ¨ûXVt\Õ
R
K¬ûQV Aªu
S
U
A@Tôh¥d ûPVúNô²Vm úNoUm ¨ûXVt\Õ. Hù]u\ôp C§p EP²ûNÜ ¨ûXlTÓjÕm RuûU CpûX. ( b) D ¬ û Q V A ª u L s û S h W v A ª X j Õ P u ®û]׬kÕ N-ûShWúNô AªuLs EÚYô¡\Õ. CûY ¿¬p LûWVôR UgNs ¨\ GiùQn. (CH3)2NH + HO N = O D¬ûQV Aªu
ÿ ¾¾®
(CH3)2N N = O
N-ûShWúNô ûPùUj§p Aªu (UgNs ¨\ GiùQn ¿¬p LûWVôÕ)
(c) ê®ûQV AªuLs ûShWv AªXjÕPu ®û]׬kÕ hûW BpûLp AmúUô²Vm ûShûWh El×Lû[j RÚm. CûY ¿¬p LûWÙm RuûU ùLôiPÕ. (CH3)3N + HONO ¾¾® (CH3)3NH+ NO2 ê®ûQV Aªu
hûW ÁjûRp AmúUô²Vm ûShûWh (El× ¿¬p LûW¡\Õ)
69. B) ÏÞdúLô³u LhPûUlûT YÚ®jRp. (i) R²U BnÜ, êXdáß ¨û\V±Rp B¡VYt±u A¥lTûP«p ÏÞdúLô£u YônTôÓ C6H12O6 BÏm. www.surabooks.com
ÏÞdúLôv
HI/P
CH3CH2CH2CH2CH2CH3 n-ùadúNu (iii) ÏÞdúLôv ¿¬p G°RôLd LûWkÕ SÓ¨ûXd LûWNûXj RÚ¡\Õ. CR]ôp ÏÞdúLô£p
C OH ùRôϧ || O
CpûX G]Xôm.
(iv) ÏÞdúLôv NH2OH EPu úUô]ôdûNm Utßm 1 úUôp HCN EPu NVú]ôûah¬û]Ùm RÚ¡\Õ. CR]ôp Bp¥ûaÓ ùRôϧ
C H || O
ApXÕ ¸húPôu ùRôϧ Es[Õ
GuTÕ ùR¬¡\Õ. (v) ÏÞdúLôûN ×úWôªu LûWNp ùLôiÓ ªRUô] Bd³_u Ht\m ùNnRôp ÏÞdLô²d AªXm ¡ûPd¡\Õ. CÕ ÏÞdúLô£p Bp¥ûaÓ ùRôϧ Es[ûRd LôhÓ¡\Õ.
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SURA's Guides for 3rd to 12th Std for all Subjects in TM & EM Available
RuhÉ l 12 M« tF¥ò l ntâÆa l kh®¢ - 2017 Édh¤jh ÉilfSl
(vi) ÏÞdúLôv, ûSh¬d AªXj§]ôp úUÛm Ht\UûPkÕ NôdL¬d AªXjûR RÚ¡\Õ. CÕ ÏÞdúLô³p JúW JÚ K¬ûQV BpLaôp ùRôϧ Es[ûRd LôhÓ¡\Õ. COOH COOH | | Br2/H2O APo HNO3 (CHOH)4 (CHOH)4 ÏÞdúLôv (O) (O) | | COOH CH2OH
NôdL¬d AªXm
(B)
(C)
A B C
O
K2Cr2O7
ùTôhPô£Vm ûPÏúWôúUh
CrO2Cl2
ÏúWôûUp Ïú[ôûWÓ
K2CrO4
ùTôhPô£Vm ÏúWôúUh
70. ï)
CH3C º N HH
O
H
(iii) ùTôhPô£Vm ûPÏúWôúUh, KOH Gu\ LôWjÕPu ®û]׬kÕ UgNs ¨\ ùTôhPô£Vm ÏúWôúUh úNoUm (C)ûVj RÚm. 2 K2CrO4 + H2O K2Cr2O7 + 2 KOH
S
(vii) Ï Þ d ú L ô v P ô X u v L W ¦ û V E ú X ô L ùYs°VôLÜm, ùTe LûWNûX £Yl× ¨\ ÏlWv Bdû^PôLÜm JÓdÏ¡\Õ. CûY, ÏÞdúLô³p Bp¥ûaÓ ùRôϧ Es[ûRd LôhÓ¡u\]. (viii) ÏÞdúLôv, ©¬¼u Øu²ûX«p A£h¥d AªX ¿¬ÙPu ®û]׬kÕ, ùTuPô A£húPhûPj RÚ¡\Õ. Cq®û] ÏÞdúLô³p IkÕ ûahWôd£ ùRôϧLs Es[ûRd LôhÓ¡\Õ. úUtLiP ®YWeL°u A¥lTûP«p, ÏÞdúLôv JÚ ùTuPô ûahWôd£ ùadNú]p G] A±VlTÓ¡\Õ.
(ix) ÏÞdúLô³u LhÓUô] AûUl×.
(i) BWgÑ £Yl× ¨\ T¥L ¨ûX«p Es[ YûU ªÏ Bd³_ú]t± K2Cr2O7 ùTôhPô£Vm ilÏúWôúUh úNoUm (A) BÏm. (ii) ùTôhPô£Vm ûPÏúWôúUh, LkRL AªXjÕPu Ïú[ôûWÓ El×Pu ®û]׬kÕ BWgÑ £Yl× ¨\m EûPV YôÙ ÏúWôûUp Ïú[ôûWÓ CrO2Cl2 úNoUm (B)-ûV RÚm. K2Cr2O7 + 4 KCl + 6 H2SO4 2CrO2Cl2 + 6 KHSO4 + 3 H2O
K
ÏÞdLô²d AªXm
70. B)
O
16
SnCl2
¾¾® CH3CH = NH.HCl HCl
ïÄÅa« iA£nuhFnshiuL
Û¤ij raidL (B)
www.Padasalai.Net B
C |
CHOH
R
70. A) C6H5OH¾¾®Õdh NaOH
OH
S
¾¾®
U
FS¡nfh°
CHCl3
Õdh (A)
CHO
CHO (C)
M®¤njh
ghuh
iA£uh¡á bgrhoiAL
+ CH N 2
2
¾¾® ÿÿÿ OH ÿ
3CH3CHO OH
+
(B)
OH
OCH3
iA£uh¡á bgrhoiAL
D-
OHC
-
ghuh iA£uh¡á bgrhoiAL
-
mÅnrh
www.surabooks.com
O A B
-
C
-
CH3CHO CH3CN CH3 O
CH
- má£lhoiAL - Û¤ij iraidL - ghuhoiAL
O CHCH3
l¥ Al2(SO4)3 =
M®¤njh iA£uh¡á bgrhoiAL
OCH3
O CHCH3
CH3CH
70. <) ÄgFË Al2(SO4)3 MF«.
CHO OH
C-
¾¾¾®
O
O
+ N2
OH
-
CH
ml® H2SO4
CH3CH
(A) ilanrhÛ¤nj (D) mÅnrh A - C6H5OH Õdh B-
má£lhoiAL CH3 (A)
C = ÏXLNDÅZIKJ½P4
Glucose
OH
O H2 ÚuhgF¥ò CH3CH = NH.HCl ¾¾® CH3CHO + NH3
A
|
CHOH |
CHOH |
CHOH | CH2OH
l¥ Al2(SO4)3 =
1
d
3 189 3
3+ O
160 2
1 2
d 62 4
2
63 80
= 143 úUô.ùN.Á2¡.NUô]m1 m¥ÿAl2(SO4)3 = 2 ´ÿ189 + 3 ´ÿ160 = 858 úUô.ùN.Á2¡.NUô]m1
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