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  4. Standard electrode potential (reduction potential) becomes equal to cell potential, when

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Q. Standard electrode potential (reduction potential) becomes equal to cell potential, when

Electrochemistry

Solution:

When anode is the hydrogen electrode,
$E_{ H _{2}}^{\circ} =0$
$E^{\circ} =E_{R}^{\circ}-E_{L}^{\circ}=E_{R}^{\circ}-0=E_{R}^{\circ}$