Question #260780

Balance the following reaction in a basic solution: (5 marks) I - + MnO4 2- → MnO2 + I2


Expert's answer

Solution:

2I- - 2е- → I2 (oxidation)

MnO42- + 2H2O + 2е- → MnO2 + 4OH- (reduction)

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2I- + MnO42- + 2H2O → I2 + MnO2 + 4OH-

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