Chemistry-Alkenes
NEET Chemistry Alkenes Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
Assertion (A): The addition of HBr to propene in the presence of peroxides results in 1-bromopropane. | Reason (R): The peroxide effect leads to anti-Markovnikov addition only with HBr and not with HCl or HI.
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 A
Detailed Explanation
The peroxide effect involves the addition of HBr to alkenes like propene, resulting in anti-Markovnikov addition to give 1-bromopropane. This effect is specific to HBr and does not occur with HCl or HI, as mentioned in the NCERT context.
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