question_answer

What would be the electrode potential for the given half-cell reaction at pH = 5? _________. \[2{{H}_{2}}\text{ }O\to {{O}_{2}}+4{{H}^{\oplus }}+4{{e}^{-}}\text{ };\text{ }{{E}^{0}}_{red}=1.23\text{ }V\] (\[R\text{ }=\text{ }8.314\text{ }J\text{ }mo{{l}^{1}}{{K}^{1}};\]Temp = 298 K; oxygen Under std. atm. pressure of 1 bar)                                     [JEE MAIN Held On 08-01-2020 Morning]

Answer:

-0.93