JEE Main Chemistry question

Which of the following ketones will not respond to the iodoform test?

(A)Methyl isopropyl ketone
(B)Ethyl isopropyl ketoneCorrect
(C)Dimethyl ketone
(D)2-hexanone

Answer: (B)

Solution

Methyl isopropyl ketone (), dimethyl ketone (acetone, ) and 2-hexanone (CH_3CO(CH_2)_3CH_3) all have a methyl group directly bonded to the carbonyl carbon and give a positive iodoform test. Ethyl isopropyl ketone,

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Question ID VK-148139