Question
Wed March 31, 2010 By:

Valency of iron...

Expert Reply
Fri April 02, 2010

In the ous condition we use +2 oxidation state and in the ic situation we use +3 oxidation state.

Here FeSO4  is ferrous sulphate and we use +2 state.

and  Fe2O3  is ferric oxide so we use +3 state.

Home Work Help