First slide

Isomerism

Question

Which one of the following is a false statement?

Easy

A

n-propyl alcohol and isopropyl alcohol are chain isomers
B

Maleic acid and Fumaric acid are geometrical isomers
C

Ethyl alcohol and dimethyl ether are functional isomers
D

Dextro-tartaric acid and meso tartaric acid are diastereomers

Solution

III . . . meso tartaric acid
I and II are dextro and laevo isomers
I & III . . . diastereomers
II & III . . . diastereomers;
n-propyl alcohol and isopropyl alcohol are positional isomers. They differ in the position of functional group but have the same IUPAC root word ;

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