臭氧化钾
化合物
臭氧化钾是一种无机化合物,化学式为KO3。它是橙红色的四方晶系晶体,空间群I4/mcm。[7]
臭氧化钾 | |
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英文名 | Potassium ozonide |
识别 | |
CAS号 | 12030-89-6 ![]() |
SMILES |
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性质 | |
化学式 | KO3 |
摩尔质量 | 87.1 g·mol−1 |
外观 | 橘红色晶体[1] |
密度 | 1.990 g/cm3[2] |
熔点 | 25 °C(298 K)(分解[4]) |
溶解性(水) | 反应 |
溶解性 | 可溶于液氨[3] |
结构[5][6] | |
空间群 | I4/mcm |
晶格常数 | a = 8.597 Å, c = 7.080 Å |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
制备
臭氧化钾可由氢氧化钾和臭氧反应得到,[1]但产率很低,只有5-10%。[8]
- 6 KOH + 4 O3 → 4 KO3 + 2 KOH·H2O + O2
超氧化钾用臭氧-氧气的混合物(体积比2:98)进行臭氧化,也能得到臭氧化钾。[9]
- KO2 + O3 → KO3 + O2
性质
- 4 KO3 + 2 H2O → 4 KOH + 5 O2↑
臭氧化钾不稳定,在室温时即可缓慢分解:[1]
- 2 KO3 → 2 KO2 + O2↑
它易溶于液氨,并有部分缓慢反应:
- 2 KO3 + 2 NH3 → NH4O3 + KNH2
参考文献
- ^ 1.0 1.1 1.2 1.3 无机化学丛书. 第一卷 稀有气体 氢 碱金属. 科学出版社. pp 421-422. 4. 臭氧化物
- ^ Sokol, V. I.; Tokareva, S. A.; Sokovnin, E. I. Determination of density and index of refraction of ozonides of sodium and potassium. Bulletin of the Academy of Sciences, USSR Division of Chemical Science (Springer Science and Business Media LLC). 1963, 12 (12): 2051–2052. ISSN 0568-5230. doi:10.1007/bf00844013.
- ^ Makarov, S. Z.; Sokovnin, E. I. О РАСТВОРИМОСТИ ОЗОНИДА КАЛИЯ В СЖИЖЕННОМ АММИАКЕ [Solubility of potassium ozonide in liquified ammonia]. Proceedings of the USSR Academy of Sciences. 1961, 137 (3): 612–613 (俄语). English translation (页面存档备份,存于互联网档案馆)
- ^ Petrocelli, W.; Capotosto, A. Concerning the thermal stability of potassium ozonide. Inorganica Chimica Acta (Elsevier BV). 1971, 5: 453–456. ISSN 0020-1693. doi:10.1016/s0020-1693(00)95963-2.
- ^ Azaroff, L. V.; Corvin, I. Crystal Structure of Potassium Ozonide. Proceedings of the National Academy of Sciences. 1963-01-01, 49 (1): 1–5. Bibcode:1963PNAS...49....1A. ISSN 0027-8424. JSTOR 71636. PMC 300616 . PMID 16591034. doi:10.1073/pnas.49.1.1 .
- ^ Kellersohn, Thomas; Korber, Nikolaus; Jansen, Martin. Experimental electron density of the ozonide ion (O3−) in potassium ozonide, KO3. Journal of the American Chemical Society (American Chemical Society (ACS)). 1993, 115 (24): 11254–11258. ISSN 0002-7863. doi:10.1021/ja00077a026.
- ^ Schnick, Wolfgang; Jansen, Martin. Crystal structure of potassium and rubidium ozonide. Angewandte Chemie, 1985. 97 (1): 48-49. ISSN: 0044-8249
- ^ A. W. Petrocelli and A. Capotosto. The Synthesis and Utilization of Low Molecular Weight Ozonides for Air Revitalization Purposes (报告). Washignton DC: National Aeronautics and Space Administration. November 1964. (原始内容存档于2021-11-08).
- ^ Schnick, Wolfgang; Jansen, Martin. Preparation, crystal structure, and thermal behavior of potassium ozonide (PDF (页面存档备份,存于互联网档案馆)). Revue de Chimie Minerale, 1987. 24 (4): 446-456. ISSN: 0035-1032