Chemistry - Redox Reactions Question with Solution | TestHub

In a half reaction, nitrate is reduced by$6{\mathrm{e}}^{-}$reduction to$\mathrm{x}$as follows$7{\mathrm{H}}^{+}+\mathrm{N}{\mathrm{O}}_3^{\mathrm{}-}+6{\mathrm{e}}^{-}\to 2{\mathrm{H}}_2\mathrm{O}+\mathrm{x}$. The$\mathrm{\text{'}}\mathrm{x}\mathrm{\text{'}}$in the reaction is