In the answers to this problem, I have that the HO2- is balanced as its own half reaction (2e- + H2O + HO2- -> 3OH-). How do you know to split it into its own separate half reaction instead of making the unbalanced half reactions: HO2- -> MnO4- and MnO2 -> MnO4- ?

In the answers to this problem, I have that the HO2- is balanced as its own half reaction (2e- + H2O + HO2- -> 3OH-). How do you know to split it into its own separate half reaction instead of making the unbalanced half reactions: HO2- -> MnO4- and MnO2 -> MnO4- ?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 18RORR: The Ostwald process for the commercial production of nitric acid involves the following three steps:...

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HO2- -> MnO4-

and MnO2 -> MnO4- ?

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