$ 2 \mathrm{~S}_2 \mathrm{O}_3^{2-}+\mathrm{I}_2 \rightarrow \mathrm{S}_4 \mathrm{O}_6^{2-}+2 \mathrm{I}^{-}$
$\mathrm{S}_2 \mathrm{O}_3^{2-}+5 \mathrm{Br}_2+5 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{SO}_4^{2-}+4 \mathrm{Br}^{-}+10 \mathrm{H}^{+}$
નીચે આપેલા માંથી કયું વિધાન થાયોસલ્ફેટ ના આ દ્રી-વર્તણૂક ને સમર્થન (Justify) કરે છે.
In the reaction of \(\mathrm{S}_2 \mathrm{O}_3{ }^{2-}\) with \(\mathrm{Br}_2\), oxidation state of sulphur changes from +\(2\) to +\(6\) .
\(\therefore\) Both \(\mathrm{I}_2\) and \(\mathrm{Br}_2\) are oxidant (oxidising agent) and \(\mathrm{Br}_2\) is stronger oxidant than \(\mathrm{I}_2\).
$xCu\,\,\, + \,\,\,\,yHN{O_3}\,\,\, \to \,\,\,\,xCu{\left( {N{O_3}} \right)_2}\,\,\, + \,\,\,NO\,\,\,\, + \,\,\,N{O_2}\,\,\, + \,\,\,3{H_2}O$ તે સર્હીુણકો $x$ અને $y$ શું હશે ?
$5{H_2}{O_2} + \,xCl{O_2}\, + 2O{H^ - }\, \to \,xC{l^ - }\, + \,y{O_2} + 6{H_2}O$