The half-reaction occurring at the cathode in this voltaic cell is __________. MnO4- + 2 SO42- + 8 H+ → MnO42- + 2 H2SO3 + 2 H2O MnO4- + e- → MnO42- SO42- + 4 H+ → H2SO3 + H2O + 2 e- MnO4- + 8 H+ + e- → Mn + 2 H2O Mn + 2 SO42- + 8 H+ → MnO42- + 2 H2SO3 + 2 e-

The given redox reaction is as follows --- MnO4- + 2 SO42- + 8 H+ → MnO42- + 2 H2SO3 +…

Answered: The half-reaction occurring at the…

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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The half-reaction occurring at the cathode in this voltaic cell is __________.

MnO₄^- + 2 SO₄^2- + 8 H⁺ → MnO₄^2- + 2 H₂SO₃ + 2 H₂O

		MnO₄^- + e^- → MnO₄^2-
		SO₄^2- + 4 H⁺ → H₂SO₃ + H₂O + 2 e^-
		MnO₄^- + 8 H⁺ + e^- → Mn + 2 H₂O
		Mn + 2 SO₄^2- + 8 H⁺ → MnO₄^2- + 2 H₂SO₃ + 2 e-

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