Question

Which of the following carboxylic acids undergoes decarboxylation easily ? Explain briefly.
(i) `C_(6) H_(5) -CO-CH_(2)-COOH`
(ii) `C_(6) H_(5) -CO-COOH`

iii. `C_(6)H_(5)-underset(OH)underset(|)(CH)-COOH` (iv) `C_(6) H_(5) - underset(underset(NH_2) (|))(CH) -COOH`.

Answer 1

`beta-`Keto acid (i) undergoes easy decarboxylation.