Total number of alkali insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is ……….. .
Aniline, N-Methylaniline, Methanamine,
N, N-Dimethylmethanamine,
N-Methyl methanamine, Phenylmethanamine,
N-propylaniline, N-phenylaniline,
N, N-Dimethylaniline, Allyl amine,
Isopropyl amine