MCQ
When oxygen is passed through a solution of $N{a_2}S{O_3}$ we get
- ✓$N{a_2}S{O_4}$
- B$N{a_2}S$
- C$NaHS{O_4}$
- D$NaH$
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(At. mass of $Ag= 108\,u$)
$\mathop {\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - C{H_2} - Cl}
\end{array}}\limits_{\left( I \right)} $ $\underset{(II)}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\, \\
Cl-C{{H}_{2}}-C-H \\
\end{matrix}}}\,$
$\mathop {\begin{array}{*{20}{c}}
O \\
{||} \\
{H - C - H}
\end{array}}\limits_{\left( {III} \right)} $ $\mathop {\begin{array}{*{20}{c}}
O \\
{||} \\
{{H_3}C - C - C{H_3}}
\end{array}}\limits_{\left( {IV} \right)} $