JEE Main Chemistry question

Which of the following organic compounds answers to both the iodoform test and Fehling's test?

(A)Ethanol
(B)Methanal
(C)CH₃CHOCorrect
(D)CH₃CH₂COCH₃

Answer: (C)

Solution

The iodoform test requires either a CH₃CO– group or a CH₃CH(OH)– group; the Fehling's test requires an aldehyde. Acetaldehyde, CH₃CHO, has a CH₃ directly on the carbonyl carbon (positive iodoform) and is itself an

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Question ID VK-149151