Question

Match the molecule in column A with column B

a) CH3-CH2-CHO p) Functional

b) CH3CHCl2 q) positional

c) CH3-CH2-CH=CH2 r) ring-chain

d) CH3-O-CH2-CH2-CH3 s) metamerism​

Answer 1

Explanation:

(A) CH

3

CH

2

OH,H

3

C−O−CH

3

→ Since both have the same molecular formula but different functional groups, thus both are functional isomers (iii).

(B) C

2

H

5

COC

2

H

5

,C

3

H

7

COCH

3

→ Since both have different alkyl groups attached to two sides of the same functional group. Thus, both are metamers (iv).

(C) C

6

H

5

OH,C

6

H

5

O→ First compound is a carbonyl compound containing at least one α-hydrogen atom that is converted to the second compound, which is an enol, by the transfer of an α-hydrogen onto the oxygen atom (ii).

(D) CH

3

CH

2

CH

2

OH,CH

3

−CHOH−CH

3

→

Since both have the same functional group but at different positions, thus both are position isomers (i).