The standard reduction potentials for the half-reactions related
to the galvanic cell represented above are listed in the table below.
Half-Reaction E° (V)
Cr³⁺(aq) + 3 e−
Zn²⁺(aq) + 2 e−
→ Cr(s) − 0.74
→ Zn(s) − 0.76
Which of the following gives the value of E∘ for the cell?
