Xenic acid is a noble gas compound formed by the dissolution of xenon trioxide in water. Its chemical formula is H2XeO4. It is a very powerful oxidizing agent, and its decomposition is dangerous as it liberates a large amount of gaseous products: xenon, oxygen, and ozone. However, this feature is also what makes xenic acid practically useful in syntheses: there is no chance of introducing impurities to the oxidation products, as all the byproducts can be trivially evaporated.
3D model (JSmol)
|Molar mass||197.31 g/mol|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Xenic acid has been used as an oxidizing agent in organic chemistry.
- 2 HXeO−
4 + 2 OH−
6 + Xe + O
2 + 2 H
The energy given off is sufficient to form ozone from diatomic oxygen:
- 3 O
2 (g) → 2 O
- Bruno Jaselskis, Stanislaus Vas (May 1964). "Xenic Acid Reactions with vic-Diols". J. Am. Chem. Soc. 86 (10): 2078–2079. doi:10.1021/ja01064a041.
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