NEET Chemistry Alkenes Assertion Reason Question
Assertion (A): In the presence of peroxide, the addition of HBr to propene follows the Anti Markovnikov rule. | Reason (R): The presence of peroxide facilitates the formation of a secondary free radical, which is more stable than a primary free radical.
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.
Correct Answer
Detailed Explanation
The peroxide effect or Kharash effect causes the addition of HBr to unsymmetrical alkenes like propene to follow the Anti Markovnikov rule due to the formation of a more stable secondary free radical.
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