Question

Select the compound which on treatment with nitrous acid liberates nitrogen.
A. Nitroethane
B. Triethylamine
C. Diethylamine
D. Ethylamine

Answer 1

Correct Answer - D
Primary amines on treatment with nitrous acid liberates nitrogen. Ethylamine (C2H,NH,) is a primary amine. Hence, liberates nitrogen on treatment with nitrous acid.
`C_2H_5NH_2+HNO_2overset(NaNO_2+HCl)toR-overset(+)Nequivunderset("Diazoniumchloride")N^(-)Cl overset(H_2O)toROH+N_2uparrow+HCl`