1.

A mixture of methylamine and dimethylamine is given to you. The reagents used to separate the compenents of the mixture are

Answer»

`CHCl_(3)` and HCl
`C_(6)H_(5)SO_(2)` and KOH
`C_(6)H_(5)SO_(2)` and HCl
`CHCl_(3)` and KOH

Solution :(2) A mixture of methylamine (`1^(@)` amine) and dimethylamine (`2^(@)` amine) can be separated with the help of `C_(6)H_(5)SO_(2)Cl` and KOH (Hinsberg.s method).
Methylamine will form
N-methylbenzenesulphonamide which is SOLUBLE in KOH.
Dimethylamine will form N,N-dimethylbenzene-sulphonamide which is INSOLUBLE in KOH.


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