Q. Decarboxylation occurs with maximum rate in :-

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A

$C_{6} H_{5} C H_{2} COO H$

B

C

D

$Cl - C H_{2} - C H_{2} - C H_{2} - COO H$

Solution:

Presence of $b$ -keto w.r.t. carboxylic acid increases rate of decarboxylation.