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Medical College Admission Test
Chemical and Physical Foundations of Biological Systems

Calculating Standard Cell Potential in Electrochemistry

Hard General Chemistry Electrochemistry

In an electrochemical cell, the process of oxidation occurs at the anode and reduction occurs at the cathode. Let’s consider a galvanic cell where zinc is oxidized to zinc ions ( ext{Zn} ightarrow ext{Zn}^{2+} + 2e^{-}) and copper ions are reduced to copper metal ( ext{Cu}^{2+} + 2e^{-} ightarrow ext{Cu}). The cell operates under standard conditions, and the standard reduction potentials ( ext{E}^{ ext{o}}) for the half-reactions are:

Zn2+ + 2e- → Zn: -0.76 V

Cu2+ + 2e- → Cu: +0.34 V


Using these values, what is the expected standard cell potential ( ext{E}^{ ext{o}}_{ ext{cell}}) for this galvanic cell?

Hint

Submitted7.2K
Correct7.1K
% Correct99%