1. -COOH group is knocked out if salicylic acid is: (a) nitrated (b) brominated *(c) both correct(d) none is correct 2. OH COOH
Br2 water
Y
HNO3
X, X and Y are:
*(a) pictic acid, 2,4,6-tribromophenol (b) 4-nitro salicylic acid, 4-bromo salicylic acid 3. CCl4, KOH, ∆ H+
OH
∆
A
(c) o-nitro phenol, o-bromo phenol (d) none is correct
B
CH3COCl
C
CH3OH
D
A, B, C and D respectively are: *(a) salicylic acid, salol, aspirin and oil of winter-green (c) salicylic acid, oil of winter-green, salol and aspirin 4. AlCl3
+ CH3CHCH2Cl
(b) salicylic acid, aspirin, salol and oil of winter-green (d) none is correct
hydrocarbon (X) X is:
CH3 CH3 (a)
CH2CHCH3 (b) CH3
CH2CH2CH2CH3 (d) all correct
CCH3 (c) CH3
Ans. B
5. OCH3 NaNH2
product A by reaction R. A and R are:
Br OCH3 (a) NH2
elimination
OCH3
OCH3 Br
OCH3 NH2 (b)
(c)
(d)
elimination addition
cine substitution
cine substitution
Ans. B
6. Chloral +
(a) lindane 7.
Cl conc. H2SO4
(c) teflon
product. Product is:
*(b) D.D.T.
(d) ethaneperchlorate
NO2 KCN C2H5OH
product A by reaction R. A and R are:
Br CN , SN (b)
(a)
Br
NO2
NO2
, von Richter
(c)
NO2 , von Richter
, von Richter (d)
CN CN
CN
Ans. C
8. Cl O2N
NO2 + H2O
warm
product
NO2
Product can be: *(a) picric acid (c) chlorobenzene (b) phenol (d) no reaction since (C-CI) bond is stable 9. In the reaction of p-chlorotoluene with KNH2 in liq. NH3, the major product is: (a) o-toluidine *(b) m-toluidine (c) p-toluidine (d) p-chloroaniline 10. Cl(1) Cl(2)
Cl(4)
Ans. A
Which chlorine is most easily replaced under nucleophilic attack? (a) CI (1) (b) CI (2) . (c) CI (4) (d) Cl (1) and Cl(4) 11. CH2
O
OH
CH
CH2
Heat
CH
CH2 *
CH2
What is the name of this reaction? (a) Fries rearrangement *(b) Claisen rearrangement (c) Kolbe reaction (d) Riemer-Tiemann reaction 12. Which is the correct structure of the product formed in (32) in terms of position of C*? OH
OH
CH2CH CH2 * (b)
(a)
CH2CH CH2 *
(c) both correct (d) none is correct Ans. B 13. Libermann's nitroso reaction is for testing of: *(a) phenol (b) benzoic acid (c) nitrobenzene (d) aniline ∆,HCl 14. The reaction C6H5N2+Cl- +CuCI → C6H5CI + N2 +CuCl is known as: (a) Wurtz reaction *(b) Sandmeyer reaction (c) Gattermann reaction (d) Friedel-Crafts reaction OH
OH (I)
(II)
OH
OH (III)
(IV) NO2
CH3 15. In the following compounds: *(a) IIIV>II>I (c) IV
MgBr + CH2-CH2
A,
NO2
order of acidity is:
A is:
O
CH2CH2OH (c)
CH2OH (b)
(a)
CH2
CH2 (d) no reaction
O
17. OH NO2+
A,
A can be:
CH3 OH
OH
OH
NO2 (b)
(a)
(c) CH3
CH3
NO2
(d) no SN reaction is possible NO2
18. In which case, SE will not be in meta position? (
°
Ans. A
Ans. B
one or more than one may be correct
∆