Consider the following compounds:

Choose the correct statements(s) from the following:

Options

A. I,II and III are functional isomers
B. I and II are position isomers
C. III and IV are chain isomers
D. III and IV are metamers

Answer

A,D

Explanation

For being functional isomers , functional group should not match. (Phenol and aliphatic alcohol are considered as different functional groups)