Quinone undergoes a reversible reduction at a dropping mercury electrode. The reaction is C6H4O2 (quinone) + 2H+ + 2 e- <> C6H4 (OH)2 (hydroxyquinone) E°=0.599 V. Assume that the diffusion coefficient for quinine and hydroxyquinone are approximately the same. Calculate the approximate half-wave potential (vs SCE, E=0.244 V) for reduction of hydroxyquinone at a rotating disk electrode from a solution buffered to a pH of 7.0
Quinone undergoes a reversible reduction at a dropping mercury electrode. The reaction is C6H4O2 (quinone) + 2H+ + 2 e- <> C6H4 (OH)2 (hydroxyquinone) E°=0.599 V. Assume that the diffusion coefficient for quinine and hydroxyquinone are approximately the same. Calculate the approximate half-wave potential (vs SCE, E=0.244 V) for reduction of hydroxyquinone at a rotating disk electrode from a solution buffered to a pH of 7.0
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Quinone undergoes a reversible reduction at a dropping mercury electrode. The reaction is C6H4O2 (quinone) + 2H+ + 2 e- <> C6H4 (OH)2 (hydroxyquinone) E°=0.599 V. Assume that the diffusion coefficient for quinine and hydroxyquinone are approximately the same. Calculate the approximate half-wave potential (vs SCE, E=0.244 V) for reduction of hydroxyquinone at a rotating disk electrode from a solution buffered to a pH of 7.0
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