Solution of problem 622 of the collection on general ch

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622. Indicate in which of the following reactions hydrogen peroxide serves as an oxidizing agent and in which as a reducing agent:
A) I2 + H2O2 → HIO3 + H2O
B) PbO2 + H2O2 → Pb (OH) 2 + O2
C) KClO3 + H2O2 → KCl + O2 + H2O
D) KMnO4 + H2O2 → MnO2 + KOH + O2 + H2O


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