Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAmines2 Marks
Question
Explain isocyanide test for primary amines.
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Answer
When aliphatic and aromatic primary amine, is heated with chloroform and alcoholic (ethanolic) KOH, it forms foul smelling substance carbylamine or isocyanide. This is called isocyanide test. Secondary and tertiary amines do not give this test.Therefore, this reaction is used in testing primary amines.
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