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Assettion (A) : Coupling of Ph overset (...

Assettion (A) : Coupling of `Ph overset (o+) (N_2) Br^(Θ)` with aniline is faster than with phenol.
Reason (R ): Aniline is more `overline e` donating than phenol.

A

If both (A) and (R ) ar true, and (R ) is the correct explanation of (A).

B

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

C

If (A) is true , but (R ) is false .

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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Assertion (A) : Ph overset (o+)(N_2) Br^(Θ) couples with N, N -dimethyl aniline (I) but not with 2,6, -dimethyl- N,N -dimethuyl aniline (II) Reason (R ): Due to steric inhibition of resonce , the p-potion of (II) is not sufficiently activated fro the coupling reation. Due to steric inhibition of resonamne, the p-position of (II) is not sufficiently activated for the coupling reaction.