A: Propene reacts with $HBr$ to give isopropyl bromide.
R: The addition of hydrogen halide to alkenes follows Markownikoff's rule.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

$A$ and $R$ are true, $R$ explains $A$

$A$ and $R$ are true, $R$ does not explain $A$

$A$ is true, but $R$ is false

$A$ is false, but $R$ is true

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

The addition of $HBr$ on propene takes place in accordance to Markownikoff's rule, i.e., negative part of the additive goes to that carbon atom which is linked with lesser number of hydrogen atoms. The addition of an electrophile involves the intermediate formation of a more stable carbonium ion. Propene reacts with $HBr$ to give isopropyl bromide.

Watch 3-min video & get full concept clarity