Potassium tetrachloroiodate(III)
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Identifiers | |
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Properties | |
KICl4 | |
Melting point | 116 °C (241 °F; 389 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Potassium tetrachloroiodate(III) is a coordination compound with the chemical formula KICl4. Its monohydrate crystal structure belongs to the monoclinic system and has the space group P 2 1 / n ,yellow crystals.[1][2]
Synthesis
[edit]Potassium tetrachloroiodate(III) can be obtained by reacting iodine, potassium chlorate, and 6 mol/L hydrochloric acid solution containing 1.5 mol/L potassium chloride, condensing, filtering, and vacuum drying. The reaction is:[3][4]
- 2 KClO3 + I2 ⇌ 2 KIO3 + Cl2
- KIO3 + 6 HCl ⇌ KICl4 + Cl2 + 3 H2O
References
[edit]- ^ Ejima, T.; de Boer, J. L.; Vos, A. (April 10, 1963). "The refinement of the crystal structure of KICl4.H2O". Acta Crystallographica. 16 (4): 243–247. doi:10.1107/S0365110X63000682 – via journals.iucr.org.
- ^ Derakhshan, Behzad M.; Finch, Arthur; Gates, Peter N.; Page, Terence H. (September 1, 1979). "Thermochemistry of polyhalides. IV. Anhydrous and hydrated potassium tetrachloroiodates". Thermochimica Acta. 32 (1): 317–320. doi:10.1016/0040-6031(79)85120-5 – via ScienceDirect.
- ^ "Science made alive: Chemistry/Compounds". woelen.homescience.net.
- ^ "Synthesis of Potassium Tetrachloroidate". prepchem.com.