Element not showing variable oxidation state is:

Question

Canvas Classes · Accepted Answer

Variable oxidation states of halogens:

- Cl: −1, 0, +1, +3, +5, +7 (multiple states)
- Br: −1, 0, +1, +3, +5, +7 (multiple states)
- I: −1, 0, +1, +3, +5, +7 (multiple states)
- F: Only −1 and 0 — Fluorine is the most electronegative element and cannot exhibit positive oxidation states. It has no d-orbitals and cannot expand its octet.

Answer: Option (4) — Fluorine

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