\(NaCN\) gives \(+ve\) test for nitrogen and
\(NaCl\) gives \(+ve\) test for halogen
નીપજ $I$ અને $II$ અનુક્રમે........
image $\mathop {\xrightarrow{{NaN{O_2}}}}\limits_{HCl} A\,\,\xrightarrow{{CuCN}}B\,\,\mathop {\xrightarrow{{{H_2}}}}\limits_{Ni} C\,\,\xrightarrow{{HN{O_2}}}D$
$PhC{{O}_{2}}H\xrightarrow[2.\,N{{H}_{3}}]{1.\,PC{{l}_{5}}}A\xrightarrow[2.\,{{H}_{2}}/Ni]{1.\,{{P}_{4}}{{O}_{10}}.heat}B.$ અંતિમ નીપજ $(B)$ શું હશે ?