MCQ
Which colourless gas evolves, when $N{H_4}Cl$ reacts with zinc in a dry cell battery
- A$N{H_4}$
- B${N_2}$
- ✓${H_2}$
- D$C{l_2}$
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Given :( $\frac{{2.303RT}}{F} = 0.06)$
$s{n^{ + 2}}\left( {1M} \right) + 2C{l^ - }\left( {2M} \right) \rightleftharpoons s{n_{\left( s \right)}} + C{l_2}\left( {1\,atm} \right)$
Given : ${E^o}_{s{n^{ + 2}}/sn} = - 0.14$ ${E^o}_{C{l_2}/C{l^- }} = 1.4\,V$
$\begin{array}{*{20}{c}}
{Ph - C{H_2} - CH - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,}
\end{array}$ $>$ $\begin{array}{*{20}{c}}
{Me - C{H_2} - CH - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,}
\end{array}$