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Potassium chlorite

Chemical compound From Wikipedia, the free encyclopedia

Potassium chlorite
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Potassium chlorite is a potassium salt of chlorous acid (HClO2) having a chemical formula KClO2. It exists as white powder and its anhydrous form easily undergoes decomposition in presence of heat or radiation (especially gamma rays).[1]

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Properties

Potassium chlorite is a colorless hygroscopic crystal that deliquesces in the air. It decomposes upon heating into potassium chloride and oxygen, emitting light.

KClO2 → KCl + O2

Potassium chlorite forms orthorhombic cmcm crystals and has been reported to decompose within hours at room temperature.[1][2] It is an oxidizing agent.

Synthesis

Some of the methods of preparation of potassium chlorite are:

2 KClO3 → 2 KClO2 + O2
HClO2 + KOH → KClO2 + H2O

References

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