BITSAT 2018 Slot 2 Solved Paper

The alkene is unsymmetrical, hence will follow Markownikoff’s rule to give major product.

CH3−CH2−CH

But−1−ene

=CH2+H−Br→ CH3−CH2−

CHBr

(x)

−CH3+C2H5 −

Br | C* |

H

−CH3

+CH3−CH2−CH2−CH2Br

(Z)(Minor‌product)

Since, y contains, a chiral carbon, it exists in two enantiomers (x and y) which are mirror images of each other.