JEE Main 2022 · 29 Jul · Shift 2 · Chemistry Q77 · Dronacharya Exams

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ChemistrySingle correct+4 / -1Question 77 of 90

The Hinsberg reagent is

A

Benzenesulfonyl chloride

Option A: benzenesulfonyl chloride, C6H5SO2Cl.

B

Benzenediazonium chloride

Option B: benzenediazonium chloride, C6H5N2+ Cl−.

C

Potassium phthalimide

Option C: potassium phthalimide.

D

4-Hydroxyazobenzene

Option D: 4-hydroxyazobenzene, HO-C6H4-N=N-C6H5.

Answer and worked solution

Official answer: A

Hinsberg reagent is benzenesulfonyl chloride, used to tell 1°, 2° and 3° amines apart.

(A)

Topics:Amines

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