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Potassium Periodate
Potassium periodate has formula KIO4.
Density is 3,618 kg m-3. It melts at 581.85 °C and has a molecular weight of 230.0 g/mol.
It is slightly soluble in water (one of the less soluble of potassium
salts, owing to a large anion), giving rise to a solution that is
slightly alkaline. On heating (especially with manganese(IV) oxide as
catalyst), it decomposes to form potassium iodate, releasing oxygen gas.
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