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NEET levelSingle correct optionDifficulty 1 of 3g1004

Which is the strongest acid in aqueous solution?

A $CH X_{3} COOH$
B $HCOOH$
C $(CH X_{3}) X_{2} CHCOOH$
D $(CH X_{3}) X_{3} CCOOH$

Answer: B

Alkyl groups are +I and destabilise the carboxylate anion by pushing electrons onto it.

HCOOH

has no alkyl group, so its anion is the most stable and it is the strongest acid.

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