The standard reduction potentials for the half-reactions related to the galvanic cell represented ab — Electrochemistry Chemistry Question
Question
The standard reduction potentials for the half-reactions related to the galvanic cell represented above [VISUAL] are listed in the table below.
Half-Reaction | E° (V)
Cr3+(aq) + 3 e− → Cr(s) | −0.74
Zn2+(aq) + 2 e− → Zn(s) | −0.76
Which of the following gives the value of Ecell for the cell?
A.
Ecell = −1.50 V
B.
Ecell = −0.80 V
C.
Ecell = −0.02 V
D.✓ Correct
Ecell = +0.02 V
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