Question

The reaction `CH_(3)CH=CH_(2)+HBr overset (M.R) to` mainly gives
A. 2-bromopropane
B. 2,2-dibromoproane
C. 1-bromopropane
D. 1,2-dibromopropane

Answer 1

Correct Answer - A
The hydrogen atom of HBr is attched to the carbon atom of double bond that already has more hydrogens. The M. Rule is based on stability of carbonium ion
`CH_(3)CH= CH_(2)+HBr overset(M.R) to underset("2-bromopropane")(CH_(3)CHBr CH_(3))`