Q 2751267124.     At `298 K` the standard free energy of formation of `H_2O( l)` is `-237.20` kJ/mole while that of its ionisation into `H^+`
ion and hydroxyl ions is `80` kJ/mole, then the emf of the following cell at `298` K will be (take `F = 96500 C`]
`H_2 (g, 1 bar) | H^+ (1 M) || OH^(-) (1 M) | O_2 (g , 1 bar)`



A

`0.40` V

B

`0.81` V

C

`1.23` V

D

`- 0.40` V

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