What would electrode potential reaction |Electrochemistry

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JEE MAIN 2020

08-01-20 S1

Question

What would be the electrode potential for the given half cell reaction at $\mathrm{pH}=5$ ? $\_\_\_\_$ .
$ 2 \mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{O}_2+4 \mathrm{H}^{\ominus}+4 \mathrm{e}^{-} ; \mathrm{E}_{\mathrm{red}}^0=1.23 \mathrm{~V}
$
(R $=8.314 \mathrm{~J}$ mol-¹T-¹; Temp $=298 \mathrm{~K}$; oxygen under std. atm. pressure of 1 bar)

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