What reagent is used in the Hinsberg test of amines?

{({C H}_{3} C O)}_{2} O

and pyridine

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C_{6} H_{5} {S O}_{2} C l

in aq.

N a O H

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N a {N O}_{2}

in aq.

H_{2} {S O}_{4}

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{C H}_{3}

(excess) followed by

A g O H

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Solution

The correct option is A $C_{6} H_{5} {S O}_{2} C l$ in aq. $N a O H$
Benzene sulphonyl chloride is used in Hinsberg's test of amines to form sulfonamides. A primary amine forms a precipitate of N-alkyl benzene sulphonamide with Hinsberg reagent. This precipitate is soluble in alkali.

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Similar questions

{C H}_{3} {N H}_{2}, {({C H}_{3})}_{2} N H, C_{6} H_{5} {N H}_{2}, C_{6} H_{5} {C H}_{2} {N H}_{2}

\begin{matrix} O H | C H_{3} - & C - & C_{6} H_{5} | C_{2} H_{5} \end{matrix}

C_{6} H_{5} - {C H}_{3} \to X

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A a q . N a O H / Δ - ------ \to C_{2} H_{5} O H A g O H \leftarrow --- - B

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