Question Detail

CHM 102 Alkenes: Structure, Bonding, and Geometrical Isomerism Objective Question

Question

Which reagent is used for anti-Markovnikov addition of HBr to an alkene?
Options
A HBr alone
B HBr with peroxides
Correct Answer
C HCl
D HI
Correct Answer

Option B is the correct answer.

Detailed Explanation

In the presence of peroxides, HBr adds to alkenes in an anti-Markovnikov manner via a free radical mechanism, giving the 1-bromoalkane.

Hint

Peroxide effect only works with HBr, not HCl or HI.

Question Info