Multiple Choice
In a chemical reaction, one of the reactants is MnO2. It is transformed into MnSO4. What is the change in the oxidation number of the manganese?
A) There is no change in oxidation number.
B) The oxidation number increases by one unit.
C) The oxidation number increases by two units.
D) The oxidation number decreases by one unit.
E) The oxidation number decreases by two units.
Correct Answer:

Verified
Correct Answer:
Verified
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