Question

The reaction of propene with $HBr$ in peroxide proceeds through the intermediate

• A. $H_3C - \underset{ \bullet} {C} - CH_3 $
• B. $H_3C - \underset{\bullet}{C} - CH_2 Br $
• C. $H_3C - \overset{\underset{|}{Br}}{CH} - \overset{\bullet}{C}H_2$
• D. $ H_3C - CH_2 - \overset{ \bullet}{ C} H_2$
• E. None of the above

Answer 1

Answer: (B)

The intermediate produce in case of addition of $HBr$ occurs according to antimarkonicov's rule. Thus we get

$CH _{3}- \overset{\bullet}{C}H - CH _{2} Br$ as intermidiate.