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  4. The EMF of the cell Ni | Ni2+ || Cu2+ | Cu(s) is 0.59 volt. The standard reduction electrode potential of copper electrode is 0.34 volt. The standard reduction electrode potential of nickel electrode will be

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Q. The EMF of the cell $Ni | Ni^{2+} || Cu^{2+} | Cu(s)$ is 0.59 volt. The standard reduction electrode potential of copper electrode is 0.34 volt. The standard reduction electrode potential of nickel electrode will be

Electrochemistry

Solution:

$-x = 0.59$
$x = 0.34 -0 .59 = -0 .25\, V$