Chemistry

Problem

Consider the acidic redox reaction

\text{MnO}_4^-+5\,\text{C}_2\text{O}_4^{2-}+16\,\text{H}^+\rightarrow 2\,\text{Mn}^{2+}+10\,\text{CO}_2+8\,\text{H}_2\text{O}

. Which pair correctly identifies (i) the element that undergoes oxidation and (ii) the substance that functions as the oxidizing agent? a) carbon ;

\text{C}_2\text{O}_4^{2-}

b) manganese ;

\text{MnO}_4^-

c) carbon ;

\text{MnO}_4^-

d) carbon ;

\text{H}^+