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Q.The standard e.m.f. of the following cell is 0.463 V: Cu(s) ∣ Cu2+(1M) ∣∣ Ag+(1M) ∣ Ag(s)Cu(s)\,|\,Cu^{2+}(1M)\,||\,Ag^+(1M)\,|\,Ag(s). If the standard potential of Ag electrode is 0.800 V, what is the standard potential of Cu electrode?

Maharashtra MsbshseMaharashtra HSC (MSBSHSE) Board 2020Subjective· 1mImportance★★★★★
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Subtracting the cell EMF from the silver electrode potential gives the copper electrode's standard potential.

In the cell Cu(s) ∣ Cu2+(1M) ∣∣ Ag+(1M) ∣ Ag(s)Cu(s)\,|\,Cu^{2+}(1M)\,||\,Ag^+(1M)\,|\,Ag(s), copper (written on the left) is the anode (oxidation) and silver is the cathode (reduction): …

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