7) A galvanic cell is being made of iron & chromium. The standard reduction potentials are: Fe^2+ (aq) + 2e ^- --> Fe (s) E^o = – 0.44 V Cr3+ (aq) + 3e^- --> Cr (s) E^o = – 0.74V Which of the following statements is TRUE? A. E^o cell = - 0.30 V B. E^o cell = - 1.18 V C. E^o cell = + 0.30 V D. E^o cell = +1.18 V
7) A galvanic cell is being made of iron & chromium. The standard reduction potentials are: Fe^2+ (aq) + 2e ^- --> Fe (s) E^o = – 0.44 V Cr3+ (aq) + 3e^- --> Cr (s) E^o = – 0.74V Which of the following statements is TRUE? A. E^o cell = - 0.30 V B. E^o cell = - 1.18 V C. E^o cell = + 0.30 V D. E^o cell = +1.18 V
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 77AP
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7) A galvanic cell is being made of iron & chromium.
The standard reduction potentials are:
Fe^2+ (aq) + 2e ^- --> Fe (s) E^o = – 0.44 V
Cr3+ (aq) + 3e^- --> Cr (s) E^o = – 0.74V
Which of the following statements is TRUE?
A. E^o cell = - 0.30 V
B. E^o cell = - 1.18 V
C. E^o cell = + 0.30 V
D. E^o cell = +1.18 V
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