Carboxylic Acids and their Derivatives - Result Question 43-1
43. Which of the following carboxylic acids undergoes decarboxylation easily? Explain briefly.
(i) $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_2 \mathrm{COOH}$
(ii) $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCOOH}$
(iii) $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}(\mathrm{OH}) \mathrm{COOH}$
(iv) $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}\left(\mathrm{NH}_2\right) \mathrm{COOH}$
(1995, 2M)
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Solution:
A $\beta$ -keto acid undergo very fast decarboxylation
BETA
