Question

Which of the following carboxylic acids undergoes decarboxylation easily?

• A. $C_{6}H_{5}COCOOH $
• B. $C_{6}H_{5}COHCH_{2}COOH $
• C. $C_{6}H_{5}CHOHCOOH $
• D. $C_{6}H_{5}\underset{\overset{|}{NH_2}}{C}HOOH $

Answer 1

Answer: (B)

$\beta$-keto carboxylic acids readily undergo carboxylation. They get decarboxylated just by heating as