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Amines — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
Question
Give a chemical test to distinguish between a primary and a secondary amine.
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Answer

Aromatic primary amine gives orange dye on treating with ice cold $\ce{NaNO_2 + HCl}$ followed by $\beta-$ naphthol whereas secondary amine does not give this test or describe carbyl amine test or Hinsberg test.

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