13. AMINES (HM)
Explanation:
(b) \(\underset{\text{Ethyl}\,\,\text{amine}}{\mathop{{{C}_{2}}{{H}_{5}}N{{H}_{2}}}}\,\xrightarrow{HN{{O}_{2}}}\underset{\text{Ethyl}\,\,\text{alcohol}}{\mathop{{{C}_{2}}{{H}_{5}}OH}}\,\xrightarrow{PC{{l}_{5}}}{{C}_{2}}{{H}_{5}}Cl\) \(\xrightarrow{N{{H}_{3}}}\underset{\text{Ethyl}\,\,\text{amine}}{\mathop{{{C}_{2}}{{H}_{5}}N{{H}_{2}}}}\,\)