Phenol

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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


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