The standard electrode potentials of the...

The standard electrode potentials of the two half cells are given below: `Ni^(2+)+2e rarr Ni(s),E^(o) = - 0.25V, Zn^(2+) + 2e rarr Zn(s) , E^(o) = - 0.77 V. ` The voltage of the final cell formed by combining the two half cells would be:

`-1.02 ` volt

`+0.52` volt

`+1.02` volt

`-0.52` volt

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