三氟乙酸鉀是鉀的三氟乙酸鹽,化學式為CF3COOK。它能夠形成一種酸式鹽KH(CF3COO)2。[2]
三氟乙酸鉀可由三氟乙酸和氫氧化鉀、碳酸鉀或碳酸氫鉀反應得到。
- CF3COOH + KOH → CF3COOK + H2O
它受熱可以分解,並於220 °C達到最大分解速率,產物為氟化鉀和一些揮發性產物,如CO2、CO、CF3CFO等。[3]
- ^ 1.0 1.1 R. Dallenbach, P. Tissot. Properties of molten alkali metal trifluoroacetates: Part I. Study of the binary system CF3COOK-CF3COONa. Journal of Thermal Analysis. 1977-2, 11 (1): 61–69 [2019-03-22]. ISSN 0022-5215. doi:10.1007/BF02104084 (英語).
- ^ A. L. Macdonald, J. C. Speakman, D. Hadži. Crystal structures of the acid salts of some monobasic acids. Part XIV. Neutron-diffraction studies of potassium hydrogen bis(trifluoroacetate) and potassium deuterium bis(trifluoroacetate): crystals with short and symmetrical hydrogen bonds. J. Chem. Soc., Perkin Trans. 2. 1972, (7): 825–832 [2019-03-22]. ISSN 0300-9580. doi:10.1039/P29720000825 (英語).
- ^ M. J. Baillie, D. H. Brown, K. C. Moss, D. W. A. Sharp. Anhydrous metal trifluoroacetates. Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1968: 3110 [2019-03-22]. ISSN 0022-4944. doi:10.1039/j19680003110 (英語).
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稀有氣體、IA、IIA | |
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硼族、碳族 | |
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氮族 | |
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氧族 | |
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鹵素、擬鹵素 | |
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副族金屬 | |
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有機酸鹽 | |
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