Question

Given the following half-cell potentials, i. Zn2+ + 2 e– → Zn       (E° = –0.76 V)...

Given the following half-cell potentials,

i. Zn2+ + 2 e → Zn       (E° = –0.76 V)
ii. Cr3+ + 3 e → Cr       (E° = –0.74 V)

determine the cell potential whose overall redox reaction under standard conditions is

3 Zn(s) + 2 Cr3+(aq) → 3 Zn2+(aq) + 2 Cr(s): *
A. –0.80 V
B. –0.02 V
C. +0.02 V
D. +0.80 V
0 0
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