The correct order of reactivity of CH_ 3 CHO , C_ 2 H_ 5 COCH_ 3 & CH_ 3 COCH_ 3 is

MHT CET Chemistry question

The correct order of reactivity of , & is

(A) > > Correct
(B) > >
(C) > >
(D) > >

Answer: (A)

Solution

Nucleophilic addition is fastest for the aldehyde (one alkyl group, least +I effect and least steric hindrance) and decreases as the alkyl groups get bigger:

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Question ID VK-081089