Acetone on heating with CrO_3 mainly forms,

MHT CET 2026 Chemistry question

Acetone on heating with mainly forms,

(A)Acetic acidCorrect
(B)Ethyl alcohol
(C)Toluene
(D)Dimethyl ether

Answer: (A)

Solution

Ketones resist mild oxidants, but with strong oxidising agents such as (or acidified , ) on heating they undergo cleavage of the C-C bond next to the carbonyl group (Popoff's rule: the carbonyl stays with the smaller alkyl group).

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Question ID VK-099097