Aldehydes Ketones and Carboxylic AcidshardMCQ SINGLE

Vigorous oxidation of pentan-2-one with concentrated primarily yields which specific mixture of carbAldehydes Ketones and Carboxylic Acids Chemistry Question

Question

Vigorous oxidation of pentan-2-one with concentrated $HNO_3$ primarily yields which specific mixture of carboxylic acids according to Popoff's rule?

Answer: D

💡 Solution & Explanation

Popoff's rule states that during the oxidative cleavage of unsymmetrical ketones with strong oxidants, the carbonyl ($>C=O$) group stays preferentially with the smaller alkyl group. In pentan-2-one ($CH_3-CO-CH_2-CH_2-CH_3$), cleavage occurs between $C_2$ and $C_3$. The carbonyl stays with the methyl group to form Acetic acid ($CH_3COOH$), and the remaining 3-carbon chain forms Propanoic acid ($CH_3CH_2COOH$).

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