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Among the following, which compound is m...

Among the following, which compound is most acidic ?

A

`CH_(3)CH_(2)COOH`

B

`(CH_(3))_(2)CH-COOH`

C

`HCOOH`

D

`CH_(3)COOH`

Text Solution

Verified by Experts

The correct Answer is:
C
Out of the given acid, strongets is HCOOH highest `K_(a)` value. Since `pK_(a)=- log K_(a)`
Thus lowest `pK_(a)` is of `HCOOH`.
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