Question

Consider the following half-reaction in a basic solution: Ag2 O3 → AgO \mathrm{Ag}_{2} \mathrm{O}_{3}+4 \mathrm{H}^{+}+4 e^{-} \rightarrow \mathrm{AgO}+2 \mathrm{H}_{2} \mathrm{O} \mathrm{Ag}_{2} \mathrm{O}_{3}+2 \mathrm{H}_{2} \mathrm{O}+4 e^{-} \rightarrow \mathrm{AgO}+4 \mathrm{OH}^{-} \mathrm{R} \mathrm{Ag}_{2}

\mathrm{O}_{3}+\mathrm{H}_{2} \mathrm{O}+2 e^{-} \rightarrow 2 \mathrm{AgO}+2 \mathrm{OH}^{-} \mathrm{Ag}_{2} \mathrm{O}_{3}+2 \mathrm{H}^{+}+2 e^{-} \rightarrow 2 \mathrm{AgO}+\mathrm{H}_{2} \mathrm{O}

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