Difference between revisions of "Potassium perbromate"
Physchim62 (talk | contribs) (Created page with "{{chembox | IUPACName = Potassium perbromate | OtherNames = Potassium bromate(VII) | Section1 = {{Chembox Identifiers | ChemSpiderID = 9369771 | InChI=1/BrHO4.K/c2-1(3,4)5;/h...") |
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| Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
| + | | Reference = <ref name="Kirk-Othmer">{{Kirk-Othmer | first1 = S. D. | last1 = Ukeles | first2 = M. | last2 = Freiberg | contribution = Bromine, Inorganic Compounds | doi = 10.1002/0471238961.021815131001031 | year = 2002}}.</ref><ref name="G&E">{{Greenwood&Earnshaw1st|pages=1020–22}}.</ref> | ||
| Formula = KBrO<sub>4</sub> | | Formula = KBrO<sub>4</sub> | ||
| + | | MolarMass = 183.00 g mol<sup>−1</sup> | ||
| + | | MeltingPt = 275–280 °C ''decomp.'' | ||
| + | | Solubility = ''ca''. 3.7 g/100 g | ||
| + | }} | ||
| + | | Section4 = {{Chembox Thermochemistry | ||
| + | | Reference = <ref name="G&E"/> | ||
| + | | DeltaHf = −287.6 kJ mol<sup>−1</sup> | ||
| + | | DeltaGf = −174.1 kJ mol<sup>−1</sup> | ||
| + | | Entropy = 170 J K<sup>−1</sup> mol<sup>−1</sup> | ||
}} | }} | ||
| Section8 = {{Chembox Related | | Section8 = {{Chembox Related | ||
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| − | '''Potassium bromate''', KBrO<sub>4</sub>, is the [[potassium]] [[salt]] of [[perbromic acid]]. It is prepared by the neutralization of perbromic acid with [[potassium carbonate]] or [[potassium hydroxide]]. | + | '''Potassium bromate''', KBrO<sub>4</sub>, is the [[potassium]] [[salt]] of [[perbromic acid]]. It is prepared by the neutralization of perbromic acid with [[potassium carbonate]] or [[potassium hydroxide]].<ref name="Kirk-Othmer"/><ref>{{citation | first = E. H. | last = Appelman | title = Perbromic acid and potassium perbromate | journal = Inorg. Synth. | year = 1972 | volume = 13 | pages = 1–9 | doi = 10.1002/9780470132449.ch1}}.</ref> |
==Notes and references== | ==Notes and references== | ||
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===Further reading=== | ===Further reading=== | ||
| + | *{{citation | title = Heat capacity of potassium perbromate, KBrO<sub>4</sub>, between 5 and 350°K | first1 = Felix | last1 = Schreiner | first2 = Darrell W. | last2 = Osborne | first3 = Alphonsus V. | last3 = Pocius | first4 = Evan H. | last4 = Appelman | journal = Inorg. Chem. | year = 1970 | volume = 9 | issue = 10 | pages = 2320–24 | doi = 10.1021/ic50092a024}}. | ||
[[Category:Potassium compounds]] | [[Category:Potassium compounds]] | ||
Latest revision as of 19:24, 5 January 2011
| Potassium perbromate | |
|---|---|
| IUPAC name | Potassium perbromate |
| Other names | Potassium bromate(VII) |
| Identifiers | |
| InChI | InChI=1/BrHO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 |
| InChIKey | VXLUZERCXISKBW-REWHXWOFAE |
| Standard InChI | InChI=1S/BrHO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 |
| Standard InChIKey | VXLUZERCXISKBW-UHFFFAOYSA-M |
| CAS number | [] |
| ChemSpider | |
| Properties[1][2] | |
| Chemical formula | KBrO4 |
| Molar mass | 183.00 g mol−1 |
| Melting point |
275–280 °C decomp. |
| Solubility in water | ca. 3.7 g/100 g |
| Thermochemistry[2] | |
| Std enthalpy of formation ΔfH |
−287.6 kJ mol−1 |
| Std Gibbs energy of formation ΔfG |
−174.1 kJ mol−1 |
| Standard molar entropy S |
170 J K−1 mol−1 |
| Related compounds | |
| Other anions | Potassium perchlorate Potassium periodate |
| Other cations | Lithium perbromate Sodium perbromate Rubidium perbromate Caesium perbromate |
| Other compounds | Potassium bromide Potassium hypobromite Potassium bromite Potassium bromate |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Potassium bromate, KBrO4, is the potassium salt of perbromic acid. It is prepared by the neutralization of perbromic acid with potassium carbonate or potassium hydroxide.[1][3]
Notes and references
Notes
References
- ↑ 1.0 1.1 Ukeles, S. D.; Freiberg, M. Bromine, Inorganic Compounds. In Kirk-Othmer Encyclopedia of Chemical Technology; John Wiley: New York, 2002. DOI: 10.1002/0471238961.021815131001031.
- ↑ 2.0 2.1 Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 1020–22. ISBN 0-08-022057-6.
- ↑ Appelman, E. H. Perbromic acid and potassium perbromate. Inorg. Synth. 1972, 13, 1–9. DOI: 10.1002/9780470132449.ch1.
Further reading
- Schreiner, Felix; Osborne, Darrell W.; Pocius, Alphonsus V.; Appelman, Evan H. Heat capacity of potassium perbromate, KBrO4, between 5 and 350°K. Inorg. Chem. 1970, 9 (10), 2320–24. DOI: 10.1021/ic50092a024.
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