distinguish between primary and secondary amine (by chemical method)
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Answer:
If a product forms, the amine is either a primary or secondary amine, because tertiary amines do not form stable sulfonamides. If the sulfonamide that forms dissolves in aqueous sodium hydroxide solution, it is a primary amine. If the sulfonamide is insoluble in aqueous sodium hydroxide, it is a secondary amine.
Answer:
If a product forms, the amine is either a primary or secondary amine, because tertiary amines do not form stable sulfonamides. If the sulfonamide that forms dissolves in aqueous sodium hydroxide solution, it is a primary amine. If the sulfonamide is insoluble in aqueous sodium hydroxide, it is a secondary amine
Now you might be thinking how to distinguish the amines using this reagent. ... Primary amines (R−NH2): When they react with Sulfonyl chloride it forms a sulfonamide salt which is soluble in alkali. Secondary amines (R2−NH): When they react with sulfonyl chloride, it forms a sulfonamide salt which is insoluble in alkali.Nitrous acid (HNO2 or HONO) reacts with aliphatic amines in a fashion that provides a useful test for distinguishing primary, secondary and tertiary amines. This happens with 3º-amines, and the salts are usually soluble in water
Explanation:
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