GKFix MCQ Question

Which of the following is a true statement about the addition of HBr to alkenes?

• A. It always follows Markovnikov's rule.
• B. In the absence of peroxide, it follows Markovnikov's rule; in the presence of peroxide, it follows the anti-Markovnikov rule (peroxide effect).
• C. It always follows the anti-Markovnikov rule.
• D. The rule followed depends on the temperature only.