Iodine pentoxide

chemical compound

Iodine pentoxide, also known as iodine(V) oxide and diiodine pentoxide is a chemical compound. Its chemical formula is I2O5. It has iodine and oxide ions. The iodine is in its +5 oxidation state.

Properties

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Iodine pentoxide is a white solid. It breaks down to iodine and oxygen when heated. It reacts with carbon monoxide to make carbon dioxide and iodine. It is a strong oxidizing agent. It reacts with water to make iodic acid.

Preparation

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Iodine pentoxide is made by heating iodic acid to 200 °C (392 °F) in dry air.

It is used to see how much carbon monoxide is in a sample of gas.

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