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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

`SO_(3)H`

B

`-COOH`

C

`-NO_(2)`

D

`-C-=H`

Text Solution

Verified by Experts

The correct Answer is:
C

The correct order of deactivation is
`-NO_(2) gt -C-=N gt -SO_(3)H gt - COOH`
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Knowledge Check

  • Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?

    A
    `-SO_(3)H`
    B
    `-COOH`
    C
    `-NO_(2)`
    D
    `-C=N`
  • Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating

    A
    `-COOH`
    B
    `-NO_(2)`
    C
    `-C -=N`
    D
    `-SO_(3)H`
  • Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating

    A
    `-NO_2`
    B
    `-C-=N`
    C
    `-SO_3H`
    D
    `-COOH`
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