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MHT CET202611 April 2026Morning ShiftChemistryAminesActual

Which of following amines exhibits carbylamine test?

Options

  1. ATertiary amine
  2. BSecondary amine
  3. CPrimary amine
  4. DBoth Secondary and Tertiary amine

Correct answer

C. Primary amine

Step-by-step solution

The carbylamine test is a characteristic test for primary amines. When a primary amine is heated with chloroform and alcoholic potassium hydroxide, it forms an isocyanide (carbylamine) which has a characteristic foul smell. The reaction is given by: R-NH₂ + CHCl₃ + 3KOH R-NC + 3KCl + 3H₂O Secondary and tertiary amines do not give this test. Answer: Primary amine

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