Barium iodate
 Unit cell
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| Identifiers | |
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3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.031.035 |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| Ba(IO3)2 | |
| Molar mass | 487.13 g/mol |
| Melting point | 580 °C (1,076 °F; 853 K)(decomposes) |
Solubility product (Ksp)
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1.57 × 10−9[1] |
| -122.5·10−6 cm3/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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Barium iodate is an inorganic chemical compound with the chemical formula Ba(IO3)2. It is a white, granular substance.
Derivation
[edit]Barium iodate can be derived either as a product of a reaction of iodine and barium hydroxide or by combining barium chlorate with potassium iodate.[2]
Chemical properties
[edit]The compound is stable on a temperature up to approximately 580 °C (1,076 °F). If the temperature is higher than that value, the following reaction, known as Rammelsberg's reaction, occurs:[3]
- 5 Ba(IO3)2 → Ba5(IO6)2 + 9 O2 + 4 I2
References
[edit]- ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99th ed.). CRC Press. pp. 4–47. ISBN 978-1138561632.
- ^ Mellor (1973). Melorova moderna neorganska hemija. Belgrade: Naučna knjiga.
- ^ H. Stern, Kurt (2000). High temperature properties and thermal decomposition of inorganic salts. Taylor & Francis. ISBN 0849302560. Retrieved November 1, 2013.
External links
[edit]- Definition of Insoluble salts (precipitates); Solubility product
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