Amines are basic in nature and show many types of reactions such as substitution, Hoffmann elimination, carbylamine, acylation, diazotisation etc.
Certain nitrogeneous compound with molecular mass 180 shows an increase in its molecular mass to 348 after treatment with acetyl chloride. The number of possible -`NH_(2)` groups in the molecule is...................
A. 5
B. 4
C. 3
D. 6