九氧化四碘是化學式 I4O9的碘的氧化物。
製備
九氧化四碘可以由臭氧和碘在−78 °C的四氯化碳下反應而成:[2][3]
性質
和四氧化二碘一樣,九氧化四碘中含有I(III)和I(V),在鹼性環境下歧化成碘酸鹽和碘化物:[2]
- .
它和水反應會生成碘:[3]
參考資料
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