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Which of the following substituents deac...

Which of the following substituents deactivates the benzene ring towards electrophilic substitution?

A

`-NHCH_(3)`

B

`-OH`

C

`-OCH_(3)`

D

`-COOCH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D

The groups `-overset(..)(N)HCH_(3)` and `-underset(..)overset(..)(O)H` are strongly activating group `-overset(..)underset(..)(O)CH_(3)` is moderately activating but group `-overset(O)overset(||)(C)-OCH_(3)` is moderately deactivating due to its `-I_("effect")` as well as `-R_("effect")`
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