NEET Chemistry Alkenes Assertion Reason Question
Assertion (A): The addition of HBr to propene in the presence of peroxides follows Markovnikov's rule.
Reason (R): The peroxide effect involves a free radical chain mechanism.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The assertion is false because in the presence of peroxides, the addition of HBr to propene follows the anti-Markovnikov rule. The reason is true, as the peroxide effect proceeds via a free radical chain mechanism.
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