Question

What is meant by isomers? Draw the structures of two isomers of butane, C₄H₁₀. Explain why we cannot have isomers of first three members of alkane series.

Answer 1

Isomers are compounds having the same molecular formula but different structures.

The two isomers of butane, C₄H₁₀ are:

Since branching is not possible, isomers are not possible for the first three members of alkane series