Lanthanum(III) iodate
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3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.034.187 |
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CompTox Dashboard (EPA) | |
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| Properties | |
| La(IO3)3 | |
| Molar mass | 663.617 |
| Appearance | colourless crystals |
| 1.07×10−3mol·L−1[1] | |
| Related compounds | |
Other anions | lanthanum(III) nitrate lanthanum(III) oxide |
Other cations | cerium(III) iodate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Lanthanum(III) iodate is an inorganic compound with the chemical formula La(IO3)3.
Preparation
Lanthanum(III) iodate can be obtained by reacting a La3+ salt with potassium iodate or ammonium iodate and precipitating it:[1]
- La3+ + 3 IO3− → La(IO3)3↓
Properties
Lanthanum(III) iodate can disproportionate and decompose to a periodate when heated:[2]
- 10 La(IO3)3 → 2 La5(IO6)3 + 12 I2↑ + 27 O2↑
References
- ^ a b 《无机化学丛书》. 第七卷 钪 稀土元素. 易宪武 等主编. 科学出版社. P184~185. 13. 卤素含氧酸盐
- ^ K. Nassau, J.W. Shiever, B.E. Prescott (Jun 1975). "Transition metal iodates. VI. Preparation and characterization of the larger lanthanide iodates". Journal of Solid State Chemistry. 14 (2): 122–132. Bibcode:1975JSSCh..14..122N. doi:10.1016/0022-4596(75)90002-X. Archived from the original on 2018-07-01. Retrieved 2020-05-29.
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