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Question
How will you distinguish between primary, secondary and tertiary amines by Hinsberg’s test?
Short/Brief Note
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Solution
With Hinsberg’s reagent:
Primary amines give N-alkyl benzene sulphonamide soluble in alkali.
Secondary amines give N, N-dialkyl benzene sulphonamide insoluble in alkali.
Tertiary amines have no action with Hinsberg’s reagent.
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Concept of Amines - Distinction Between Primary, Secondary and Tertiary Amines
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