Question

Write equations involved in the following reactions :

Write reasons for the following :

A primary amine 'A' C₂H₇N reacts with alkyl halide (C₂H₅I) to give secondary amine 'B'. 'B' reacts with C₆H₅SO₂Cl to give a solid 'C' which is insoluble in alkali. Identify 'A', 'B', 'C' and write all the chemical reactions involved.

Account for the following :

Arrange the following compounds in the increasing order of their basic strength in aqueous solution : CH₃ NH₂, (CH₃)₃ N, (CH₃)₂NH