Archives

A

`-SO_(3)H`

B

`-COOH`

C

`-NO_(2)`

D

`-CN`

Text Solution

Verified by Experts

The correct Answer is:
C
All meta-directing substituents are deactivators. The decreasing order of deactivation is
`-NO_(2) gt - CN gt SO_(3)H gt - CO_(2)H`
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