Question

What type of isomerism is exhibited by neopentane?

• A. position
• B. chain
• C. geometrical
• D. tautomerism

Hint:

Neopentane is one of the three isomers of C$_5$H$_{12}$, which differ in carbon skeleton.

Answer 1

The Correct Option is B

Step 1: Check for features
Neopentane has no functional group, no double bond and no ring. So position, geometrical and tautomeric isomerism are impossible.

Step 2: Result
Only the branching of the carbon skeleton can vary, so it shows chain isomerism, option (B).

Final Answer:
Option (B). \[ \boxed{\text{(B)}} \]