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Potassium peroxide

Potassium peroxide

| NFPA-H = 3 | NFPA-F = 0 | NFPA-R = 2 | NFPA-S = W+OX Sodium peroxide Rubidium peroxide Caesium peroxide Potassium superoxide Potassium ozonide

Potassium peroxide is an inorganic compound with the molecular formula K2O2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K2O) and potassium superoxide (KO2).

Crystal structure

Potassium peroxide reacts with water to form potassium hydroxide and oxygen:

:

Properties

Potassium peroxide is a highly reactive, oxidizing white to yellowish solid which, while not flammable itself, reacts violently with flammable materials. It decomposes violently on contact with water.

The standard enthalpy of formation of potassium peroxide is ΔH f 0 = −496 kJ/mol.

Usage

Potassium peroxide is used as an oxidizing agent and bleach (due to the peroxide), and to purify air.

References

References

  1. Zumdahl, Steven S.. (2009). "Chemical Principles 6th Ed.". Houghton Mifflin Company.
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This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

peroxides potassium-compounds oxidizing-agents
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