14. In the following reaction, assign the oxidation numbers to all atoms/ions, and state which

atom is oxidized and which atom is reduced.

2 MnO4 (aq) + 5 C₂04² (aq) + 16 H* (aq) □ 2 Mn²+ (aq) + 8 H₂O(1) + 10 CO2 (g)