Examine the following reaction:
5FeCl2(aq) + KMnO4(aq) + 8HCl(aq) → 5FeCl3(aq) + MnCl2(aq) + KCl(aq) + 4H2O(l)
a. Indicate the oxidation numberor oxidation state of each of the element in both reactants and products.
b. Which atom is oxidized? Which is reduced?
c. which is the reducing agent? the oxidizing agent?