JEE Main Chemistry question

Which of the following can be used to distinguish acetamide and urea?

(A)Fehling's solution
(B)Biuret testCorrect
(C)Hofmann's reaction
(D)NaOH solution

Answer: (B)

Solution

On heating, urea readily condenses to biuret (which then gives the characteristic violet colour with alkaline — a positive biuret test), whereas acetamide

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Question ID VK-150505