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Question 820008
JEE Chemistry · Hard

Amines: JEE Main MCQ

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JEE MainHardQuestion 820008

Question

The Hinsberg test differentiates amines using:
  1. A
    Benzenesulfonyl chloride (C₆H₅SO₂Cl)
    Correct
  2. B
    Acetyl chloride
  3. C
    FeCl₃
  4. D
    NaOH + I₂

Correct answer

Benzenesulfonyl chloride (C₆H₅SO₂Cl)

Explanation

Hinsberg test: 1° amines react with C₆H₅SO₂Cl → product soluble in NaOH (N−H still present). 2° amines → product insoluble in NaOH. 3° amines → no reaction. Distinguishes all three classes.

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