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Given that NiO(2)+4H^(+)+2e^(-)rarrNi^...

Given that
`NiO_(2)+4H^(+)+2e^(-)rarrNi^(2+)+2H_(2)O,E^(@)=1.678V`
`NiO_(2)+2H_(2)O+2e^(-)rarrNi(OH)_(2)+2OH^(-)E^(@)=-0.49V`
For the following reaction
`Ni(Oh)_(2)+2H^(+) ``to``Ni^(2+)+2H_(2)O`
Gibb 's freee energy change in kl `mol^(-1)` is

A

418.424

B

`-229.284`

C

`-418.424`

D

229.284

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