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Among the following acids, which has the...

Among the following acids, which has the lowest `pK_(a)` value?

A

`CH_(3)COOH`

B

`HCOOH`

C

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

D

`CH_(3)CH_(2)COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
As there is no alkyl group in HCOOH, whereas in other acids the presence of electron donating group (ie, alkyl group) does not assist the release of proton easily.
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