Which among the following reagents is used to | vedclass

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(A) The reagent used to distinguish between primary,secondary,and tertiary amines is Hinsberg reagent,which is Benzenesulfonyl chloride $(C_6H_5SO_2Cl

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Benzene sulphonyl chloride

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(A) The reagent used to distinguish between primary,secondary,and tertiary amines is Hinsberg reagent,which is Benzenesulfonyl chloride $(C_6H_5SO_2Cl)$.$1$. Primary $(1^{\circ})$ amines react with Benzenesulfonyl chloride to form $N$-alkylbenzenesulfonamide,which is soluble in alkali due to the presence of an acidic hydrogen atom attached to the nitrogen.$2$. Secondary $(2^{\circ})$ amines react to form $N$,$N$-dialkylbenzenesulfonamide,which is insoluble in alkali because it lacks an acidic hydrogen atom.$3$. Tertiary $(3^{\circ})$ amines do not react with Benzenesulfonyl chloride.

List-$I$ (Functional group)	List-$II$ (Functional group reagent)
$(a)$ Aliphatic Alcohol	$(i)$ Neutral ferric chloride test
$(b)$ $C_6H_5NH_2$	(ii) Azo dye test
$(c)$ $CH_3CH_2CHO$	(iii) Ceric ammonium nitrate test
$(d)$ Phenol	(iv) Tollen’s reagent test

Which among the following reagents is used to distinguish primary $(1^{\circ})$,secondary $(2^{\circ})$,and tertiary $(3^{\circ})$ amines according to their solubility in an alkaline medium?

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