JEE Main Chemistry question

Which one of the following compounds on treatment with LiAlH₄ will give a product that gives a positive iodoform test?

(A)CH₃CH₂CHO
(B)CH₃CH₂COOCH₃
(C)CH₃CH₂OCH₂CH₃
(D)CH₃COCH₃Correct

Answer: (D)

Solution

LiAlH₄ reduces acetone to isopropanol, CH₃CH(OH)CH₃ — a secondary alcohol with exactly the CH₃–CH(OH)– pattern needed for a positive iodoform test. Propanal reduces

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Question ID VK-149879