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Q.
On gently warming, which of the following acids undergo decarboxylation?
Aldehydes Ketones and Carboxylic Acids
Solution:
Upon gently heating $\beta$-keto acids, gem-
dicarboxylic acids lose $CO _2$. through is a $\beta$-keto acid, does not lose $CO _2$ since $- COOH$ group is present at hridge and produces unstahle transition stăte or intermediatè (carbanion) after losing $CO _2$