Question

Why does fluorine not exhibit higher oxidation states?

Answer 1

1. Fluorine is the most electronegative element, so it strongly attracts electrons and can only gain one electron.
2. It has no vacant d-orbitals in its valence shell, which means it cannot expand its octet or use extra orbitals to form more bonds.
3. Fluorine cannot excite its ns or np electron pairs to higher energy levels.
4. Due to the absence of vacant orbitals, fluorine cannot show positive oxidation states like +1, +3, +5, or +7.

Therefore, fluorine always exhibits only the −1 oxidation state in all its compounds.