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Standard electrode potential of (Ni^(2+)...

Standard electrode potential of `(Ni^(2+))/(Ni)` couple is - 0.25 V and that of `(Ag^+)/(Ag)` is 0.80` V. These couples in their standard state are connected to make a cell. The cell potential will be

A

`+ 0.55 V`

B

`+ 0.80 V`

C

`+ 1.05 V`

D

`+ 1.85 V`

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