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Question

Complete and balance the following chemical equation:
MnO+H2O+I

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Solution

Here, +7MnO4+4MnO2II2
Reduction: 2M7+n+6e2M4+n
Oxidation: 6I6e6I
Balancing O atoms in reduction reaction,
2MnO4+4H2O2MnO2+8OH

Overall reaction is:
2MnO4+6I+4H2O2MnO2+3I2+8OH

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