which is of higher oxidation state .explain E2O3 or E2O5

E₂O₅ has greater oxidation state than E₂O_3. The oxidation states of the compounds can be calculated as:

In both the cases, let us assume the oxidation state of E be x.

E₂O₅:- 2x - 10 = 0, so, x = 5

E₂O₃:- 2x - 6 = 0, so, x = 3