Iodine, used as an antiseptic agent, can be prepared in the laboratory by the following reaction: 2NaI(s)+2H2SO4(aq)+MnO

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Iodine, used as an antiseptic agent, can be prepared in the laboratory by the following reaction:
2NaI(s)+2H2SO4(aq)+MnO2(s)→Na2SO4(aq)+MnSO4(aq)+I2(g)+2H2O(l)
a)
Determine the oxidation number for the MnMn on the left side of the equation.
Express your answer as a signed integer.
b)
Determine the oxidation number for the MnMn on the right side of the equation.
Express your answer as a signed integer.
c)
Determine the oxidation number for the II on left side of the equation.
Express your answer as a signed integer.
d)
Determine the oxidation number for the II on the right side of the equation.
Express your answer as a signed integer.
e)
Identify the oxidizing and reducing agents.
MnO2MnO2 is the oxidizing agent, and I–I– is the reducing agent.
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