Question

$3$-Methylpent-$2$-ene on reaction with $HBr$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

• A. Two
• B. Four
• C. Six
• D. Zero

Answer 1

Answer: (B)

Four

Answer 2

Since product (X) contains two chiral centres and it is unsymmetrical.

So, its total stereoisomers $=2^2 = 4.$