(Highest oxidation state)
\((2)\,{[Ni\mathop {C{l_4}}\limits^{ - 1} ]^{2 - }}\,\,Ni = + 2;\,{[Co\mathop {C{l_4}}\limits^{ - 1} ]^{2 - }}\,\,Co = + 2\)
\((3)\,{[Fe{(\mathop {CN}\limits^{ - 1} )_6}]^{3 - }}\,\,Fe = + 3;\,{[Cu{(\mathop {CN}\limits^{ - 1} )_4}]^{2 - }}\,\,Cu = + 2\)
\((4)\,{[Fe\mathop {C{l_4}}\limits^{ - 1} ]^ - }\,\,Fe = + 3;\,C{o_2}\mathop {{O_3}}\limits^{ - 2} \,Co = + 3\)
$ 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.
${N_2}{O_3}\xrightarrow{{R.T.}}NO + N{O_2}$