Chemistry-Alkenes

NEET Chemistry Alkenes Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 11

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.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Correct Answer

Option D

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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