The standard EMF of the cell : Ni|`Ni^(2+)||Cu^(2+)|Cu`
is 0.59 volt The standsard elctrode potential (reduction potential of copper electrode is 0.34 volt . Calculate the standsard electrode potential of nickel electrode

Answer

`E_(Ni^(2+)//Ni)^(@)=-0.25`volt

Explanation

`E_(cell)^(@)=E_(Cu^(2+)//Cu)^(@)-E_(Ni^(2+)//Ni)^(@),therefore0.59=0.34-E_(Ni^(2+)//Ni)^(@)` or `E_(Ni^(2+)//Ni)^(@)=0.34-0.59=-0.25V`