Question
Explain the reactivity of halogens towards oxygen.
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Answer
- Halogens with oxygen form many oxides with different oxidation states of halogens.
- Fluorine forms $O _2 F _2$ and $OF _2$.
- Chlorine forms oxides like $\stackrel{1+}{ Cl _2 O }, \stackrel{3+}{ Cl _2} O _3, \stackrel{5+}{ Cl }_2 O _5, \stackrel{6+}{ ClO _3}, \stackrel{7+}{ Cl _2} O _7$ All oxides are oxidising agents.
- Bromine forms oxides like $Br _2 O , BrO _2, BrO _3$ and iodine forms $I _2 O _4, I _2 O _5, I _2 O _7$
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