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Among the following the strongest acid ...

Among the following the strongest acid is

A

`CH_(3)COOH`

B

`C_(6)H_(5)COOH`

C

`m-CH_(3)OC_(6)H_(4)COOH`

D

`p-CH_(3)OC_(6)H_(4)COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
Benzoic acid is the atrongest acid. Benzate ion is stablised by resonance +1 effect of `.-CH_(3)` or `.-OCH_(3)` group reduces the possibility of ionisation of `H^(+)` from COOH`.
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