iron exhibits +2 and +3 oxidation state, write their electronic configuration, which will be more stable?why?

iron exhibits +2 and +3 oxidation state, write their electronic config

1.	iron exhibits +2 and +3 oxidation state, write their electronic configuration, which will be more stable?why?
Answer» +3 , due to PARTIALLY filled d ORBITAL ..that is more stable than +2 oxidation STATE