First slide

Isomerism

Question

Identify correct statements from the following
A) Acetone is the functional isomer of propanal
B) Benzene and Toulene are homologues
C) n-propyl alcohol is a positional isomer or isopropyl alcohol
D) Diethyl ether and isopropyl methyl ether are metamers

Moderate

A

A, B, D only
B

A, B, C, D
C

B, C, D only
D

A, D only

Solution

(1) ${CH}_{3} - CO - {CH}_{3} and {CH}_{3} {CH}_{2} CHO$ . . . functional isomers
(2) $C_{6} H_{6} and C_{6} H_{5} {CH}_{3}$ . . . .homologues (differ by $- {CH}_{2} -$ gp)
(3) ${CH}_{3} - {CH}_{2} - {CH}_{2} OH and {CH}_{3} - CHOH - {CH}_{3}$ . . . positional isomers
(4) $C_{2} H_{5} - O - C_{2} H_{5} and {CH}_{3} - O - CH {({CH}_{3})}_{2}$ . . . metamers.

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