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Some meta-directing substituents in arom...

Some meta-directing substituents in aromatic substitution are given which one is the most deactivating?

A

`-NO_2`

B

`-C -=N`

C

`-SO_3H`

D

`-COOH`

Text Solution

Verified by Experts

The correct Answer is:
A
Deactivating power
`-NO_2 gt -C -= N gt - SO_3 H gt COOH`
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