Q.
Addition of HBr on;
$CH \equiv C - CH_{2} - CH = CH_{2}$ and $CH \equiv C - CH = CH_{2}$ separately gives
Hydrocarbons
Solution:
The first addition will occur on the double bond. Thus,
But in $CH \equiv C - CH = CH_{2},$ he addition will occur at $CH \equiv C $ because the product formed is conjugated alkadiene, which is more stable.

