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Which species of the following half-reactions will reduce Pb +2(aq)? I2(s) + 2 e- → 2 I-(aq) E° = +0.535 V 2 H+(aq) + 2 e- → H2(g) E° = 0 Pb+2(aq) + 2 e- → Pb(s) E° = -0.125 V Zn+2(aq) + 2 e- → Zn(s) E° = -0.763 V

Which species of the following half-reactions will reduce Pb +2(aq)? I2(s) + 2 e- → 2 I-(aq) E° = +0.535 V 2 H+(aq) + 2 e- → H2(g) E° = 0 Pb+2(aq) + 2 e- → Pb(s) E° = -0.125 V Zn+2(aq) + 2 e- → Zn(s) E° = -0.763 V

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 95E: What mass of each of the following substances can be produced in 1.0 h with a current of 15 A? a. Co...
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Which species of the following half-reactions will reduce Pb +2(aq)?
I2(s) + 2 e- → 2 I-(aq) E° = +0.535 V
2 H+(aq) + 2 e- → H2(g) E° = 0
Pb+2(aq) + 2 e- → Pb(s) E° = -0.125 V
Zn+2(aq) + 2 e- → Zn(s) E° = -0.763 V

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