Question

Which of the following reaction is possible ?
(A) CH,OH + HBr – CH Br + H2O
(B) (CH3),CCI + NaOCH, (CH), COCH, + NaCl
OMe
(C)
C1 + + CH,ON
CH, OH
(D)
CHMевт,
H,0*
CGH CHąÇ(CH3)2
OH

Answer 1

Answer:

Explanation:

(i)  

CH

3

CH

3

+

Cl

2

→

CH

3

CH

2

Cl

+

HCl

This is a free radical substitution reaction.

(ii)  

CH

3

CH(OH)CH

3

→

CH

3

CH=CH

2

+

H

2

O

This is a dehydration or elimination reaction.

(iii)  

CH

3

CHO

+

HCN

→

CH

3

CH(OH)CN

This is a nucleophilic addition reaction.

(iv)  

CH

3

CH=CH

2

+

HBr

→

CH

3

CHBrCH

3

This is an electrophilic addition reaction.

(v)  

CH

3

CH

2

C(OH)=CH

2

⇌

CH

3

CH

2

COCH

3

This is an example of keto-enol tautomerism.