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Potassium chlorite
Chemical compound From Wikipedia, the free encyclopedia
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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:
- Thermal decomposition of potassium chlorate
- 2 KClO3 → 2 KClO2 + O2
- Reaction of chloric acid and potassium hydroxide
- HClO2 + KOH → KClO2 + H2O
References
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