Question:
Which of the following is Hinsberg's reagent?
Which of the following is Hinsberg's reagent?
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p-Toluenesulphonyl chloride (TsCl) is also commonly used for the same purpose.
Updated On: Apr 24, 2026
- Nitrous acid
- Ethanolic potassium hydroxide
- Benzenesulphonyl chloride
- 2,4-Dinitrophenyl hydrazine
- Ammoniacal silver nitrate
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Hinsberg's reagent is used to distinguish between primary, secondary, and tertiary amines.
Step 2: Detailed Explanation:
Hinsberg's reagent is Benzenesulphonyl chloride (C6H5SO2Cl).
Reaction with primary amine gives sulphonamide soluble in alkali.
Reaction with secondary amine gives sulphonamide insoluble in alkali.
Tertiary amine does not react.
Step 3: Final Answer:
Hinsberg's reagent is Benzenesulphonyl chloride.
Hinsberg's reagent is used to distinguish between primary, secondary, and tertiary amines.
Step 2: Detailed Explanation:
Hinsberg's reagent is Benzenesulphonyl chloride (C6H5SO2Cl).
Reaction with primary amine gives sulphonamide soluble in alkali.
Reaction with secondary amine gives sulphonamide insoluble in alkali.
Tertiary amine does not react.
Step 3: Final Answer:
Hinsberg's reagent is Benzenesulphonyl chloride.
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