An amine, on reaction with benzene sulphonyl chloride, produces a compound that is insoluble in an alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. What is the correct structure of this amine?

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2.	${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{NH}}_2$
3.	${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{NHCH}}_3$
4.	${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{NH}-{\mathrm{CH}}_2{\mathrm{CH}}_3$

Identify the product formed from the reaction of chloroform with alcoholic KOH and p-toluidine.

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