alleryHinsberg's reagent used to tell amines apart is:
ABenzenediazonium chloride
BBenzenehydroxyl chloride
CBenzenesulphonyl chloride
DBenzenecarbonyl chloride
Answer & Solution
Correct answer: C. Benzenesulphonyl chloride
1. Primary and secondary amines both give sulphonamides with it.
2. The two products differ in solubility in alkali.
3. Tertiary amines do not react with it at all.
_Source: syllabus Chemistry Part 2, Unit 9 'Amines'_
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