Reaction of fluorine with sodium hydroxide

Reaction of fluorine with sodium hydroxide

Fluorine reacts with cold dilute solutions of alkalis to give oxygen difluoride; F₂O, and with warm concentrated alkalis to give oxygen.

(Cold dilute) 2OH^– (aq) + 2F₂ (g) → F₂O (g) + 2F^– (aq)  + H₂O (l)

(Warm conc.) 4OH^– (aq) + 2F₂ (g)  → O₂ (g) + 4F^– (aq)  + 2H₂O (l)

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