What is the oxidation state of each individual carbon atom in C2O4^(-2)?
Both are +3
The oxygen all have a -2 oxidation state. (peroxides are exceptions)
The chemical structure is symmetrical. Both carbon are equivalent.
2 (oxidation state of carbon) + 4 (oxidation state of oxygen) = charge of ion.
2 (oxidation state of carbon) + 4 (-2) = -2
oxidation state of carbon = +3
The oxidation number of carbon atoms in
The oxidation number of oxygen is
Therefore, the oxidation number of the carbon atom is
Note that, the oxidation number of Oxygen is always