\(\mathop {Zn}\limits^0 \,\,\,\, \to \,\,\,\,\mathop {Zn}\limits^{ + 2} {\left( {CN} \right)_2}\,\,\,\)(ઓક્સિડેશન)\(\mathop {Ag}\limits^{ + 1} CN\,\,\,\, \to \,\,\,\mathop {Ag}\limits^0 \) (રિડક્શન)
$MnO_4^ - \,\, + \,\,{C_2}O_4^{2 - }\,\, + \,\,{H^ + }\, \rightarrow \,\,M{n^{2 + }}\, + \,C{O_2} + \,{H_2}O$