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Assertion: NBS is a specific reagent for...

Assertion: NBS is a specific reagent for allylic bromination.
Reason : Allylic bromination occurs through free radical intermediates.

A

If both (A) and (R) are correct and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

C

If (A) is correct, but (R) is incorrect.

D

If both (A) and (R) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
B
NBS gives a constant low concentration of `Br_2` thereby favouring substitution and preventing addition reaction.
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