Which Oxidation State Of Vanadium Is More Stable And Why?

Which Oxidation State Of Vanadium Is More Stable And Why? Please note that the most stable oxidation state for vanadium is neither +2 or +3, but +4. The +5 oxidation state is slightly oxidising while the +2 and +3 oxidation states are reducing. Out of +2 and +3, the +2 oxidation state is more stable.