Hinsberg’s reagent is:

1. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{S}{\mathrm{O}}_2\mathrm{C}\mathrm{l}$
2. $\mathrm{S}\mathrm{O}\mathrm{C}{\mathrm{l}}_2$
3. ${\left(\mathrm{C}\mathrm{O}\mathrm{C}\mathrm{l}\right)}_2$
4. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}\mathrm{O}\mathrm{C}\mathrm{l}$

Solution

Hinsberg reagent is also known as benzene sulfonyl chloride and used for detection of primary, secondary and tertiary amines.

Asked in: JEE Main 2019 (09 Apr Shift 2)

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