Consider the standard reduction potentials and redox couples used in a galvanic cell. Unbalanced Half-Reaction E(V) MnO4 (aq) + 3e → MnO2(s) (at basic pH) 0.59 Fe3 (aq) + e Fe2*(aq) > 0.77 What is the balanced reaction taking place in the cell (in basic solution)? 2 H20(1) + MnO4 (aq) + 3 Fe3+(aq) 3 Fe2*(aq) + MnO2(s) + 4 OH- - MnO2(s) + 4 OH¯ + 3 Fe3+(aq) 3 Fe2+(aq) + 2 H20(1) + MnO4¯(aq) > O 3 Fe2*(aq) + 2 H2O(1) + MnO4 (aq) MnO2(s) + 4 OH¯ + 3 Fe3+(aq) - 3 Fe2*(aq) + MnO2(s) + 4 OH- 2 H20(1) + MnO4 (aq) + 3 Fe3+(aq)

Consider the standard reduction potentials and redox couples used in a galvanic cell. Unbalanced Half-Reaction E(V) MnO4 (aq) + 3e → MnO2(s) (at basic pH) 0.59 Fe3 (aq) + e Fe2(aq) > 0.77 What is the balanced reaction taking place in the cell (in basic solution)? 2 H20(1) + MnO4 (aq) + 3 Fe3+(aq) 3 Fe2(aq) + MnO2(s) + 4 OH- - MnO2(s) + 4 OH¯ + 3 Fe3+(aq) 3 Fe2+(aq) + 2 H20(1) + MnO4¯(aq) > O 3 Fe2(aq) + 2 H2O(1) + MnO4 (aq) MnO2(s) + 4 OH¯ + 3 Fe3+(aq) - 3 Fe2(aq) + MnO2(s) + 4 OH- 2 H20(1) + MnO4 (aq) + 3 Fe3+(aq)

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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