Which reagent is also known as Hinsberg's reagent?
ABenzenesulphuric chlorate
BBenzoic sulphonate chloride
CBenzyl sulphonic chlorate
DBenzenesulphonyl chloride
Answer & Solution
Correct answer: D. Benzenesulphonyl chloride
1. The reagent is used to tell the three classes of amine apart.
2. It reacts with primary and secondary amines to form sulphonamides.
3. Benzenesulphonyl chloride is also known as Hinsberg's reagent.
4. So the answer is benzenesulphonyl chloride.
_Source: NCERT Class XII Chemistry Part II, Ch 9 'Amines'_
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