Chapter 16, Problem 2E

Identify each half-reaction below as either oxidation or reduction.

$\begin{array}{l}C{1}^{-}\to {\text{C1}}_2\\ {\text{Mn}}^{\text{2}}{}^{+}\to Mn{O}_2\\ {\text{H}}_2\to {\text{H}}^{+}\\ {\text{NO}}_{\text{3}}{}^{-}\to \text{NO}\end{array}$