Chlorous acid
| Chlorous acid | |
|---|---|
| 200px | |
| 200px | |
| IUPAC name | Chlorous acid |
| Properties | |
| Molecular formula | HClO2 |
| Molar mass | 68.46 g/mol |
| Acidity (pKa) | 1.96 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Chlorous acid is a chemical compound with the formula HClO2. It is a weak acid. The pure substance is unstable, degrading to chloride, chlorate and chlorine dioxide. But chlorites salts such as sodium chlorite are stable conjugate bases derived from this acid. These salts are sometimes used in the production of chlorine dioxide.
HClO2 can be prepared through reaction of barium chlorite and dilute sulfuric acid:
- Ba(ClO2)2 + H2SO4 → BaSO4 + 2HClO2
References
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This article does not cite any references or sources. (September 2007) Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed. |
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