Q.

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   [2026]

1 8  
2 4  
3 2  
4 5  

Ans.

(2)

2° Amine are insoluble with Hinsberg reagent.

Ph-NH-CH3, Me-NH-Me,

Ph-NH-CH2-CH2-CH3, Ph-NH-Ph

Ans. (2) 4