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Which of the following groups will facil...

Which of the following groups will facilitate the electrophilic attackon benzene ring?

A

`-NO_2`

B

`-CHO`

C

`-Cl`

D

`-SO_3H`

Text Solution

Verified by Experts

The correct Answer is:
C
SE reaction is favoured by EDG.
`(-NO_2),(-CHO)` and `(-SO_3H)` are EWG. Cl is `overline(e)` donating by `(+R)` effect and deactivating by `(-I)`.
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