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Rank in order of increasing rate of reac...

Rank in order of increasing rate of reaction towards EAS with bromine in the presence of `FeBr_(3)`.
(A)

A

`B lt A lt C`

B

`B lt C lt A`

C

`A lt B lt C`

D

`A lt C lt B`

Text Solution

Verified by Experts

The correct Answer is:
A
`{:(C,gt,A,gt,B,),(+M,,+M,,-M,),(+H,,-M,,+H,):}`
`+H =` hyperconjugation, `M =` Mesomeric effect.
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