The potential for the reaction: is 1.23 V in 0.1 N strong acid solution

CHEMISTRY · Subjective · A Level · Chemistry · Electrode potentials · Electrode potentials

Problem

The potential for the reaction:

\text{O}_2(g) + 4\text{H}^+ + 4e^- \xrightarrow{1 \text{ atm}} 2\text{H}_2\text{O}

is 1.23 V in 0.1 N strong acid solution. If potential measured in an aqueous solution is 0.994 V, the pH of solution is....