1.

An amine A reacts with benzene sulphonyl chloride and the product, thus, formed is soluble in KOH. The correct representation of the functional group of amine is

Answer»

`-NH`
`-NH_(2)`
`-underset(|)overset(|)(N)-`
both A and B.

Solution :Only a `1^(@)` amines (with `-NH_(2)` group) REACT with benzene sulphonyl CHLORIDE to give a product which is soluble in `KOH`.

On the other HAND `2^(@)` amines react with benzene sulphonyl chloride to give a product which is insoluble in `KOH` whereas `3^(@)` amines do not react with benzene sulphonyl chloride.


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