Answered: The dichromate ion, Cr2O72-, in acidic…

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 59P

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The dichromate ion, Cr₂O₇^2-, in acidic solution is a common oxidizing agent for organic compounds. Derive an expression for the potential of an electrode for which the half-reaction is the reduction of Cr₂O₇^2- ions to Cr³⁺ ions in acidic solution.

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The dichromate ion, Cr2O72-, in acidic solution is a common oxidizing agent for organic compounds. Derive an expression for the potential of an electrode for which the half-reaction is the reduction of Cr2O72- ions to Cr3+ ions in acidic solution.