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Potassium hexafluoronickelate(IV) is an inorganic compound with the chemical formula K2NiF6. It can be produced through the reaction of potassium fluoride, nickel dichloride, and fluorine. It reacts violently with water, releasing oxygen. It dissolves in anhydrous hydrogen fluoride to produce a light-red solution. Potassium hexafluoronickelate(IV) decomposes at 350 °C, forming potassium hexafluoronickelate(III), nickel(II) fluoride, and fluorine: Potassium hexafluoronickelate is a strong oxidant. It can turn chlorine pentafluoride and bromine pentafluoride into ClF+6 and BrF+6, respectively:

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  • Kaliumhexafluoronickelat(IV) (de)
  • Hexafluoronickélate(IV) de potassium (fr)
  • Potassium hexafluoronickelate(IV) (en)
  • 六氟合镍(IV)酸钾 (zh)
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  • Kaliumhexafluoronickelat(IV) ist eine anorganische chemische Verbindung aus der Gruppe der Kaliumfluorkomplexe. (de)
  • L'hexafluoronickélate(IV) de potassium est un composé inorganique de formule K2[NiF6], contenant des ions nickel de valence IV, très peu courante. (fr)
  • 六氟合镍(IV)酸钾是一种镍的配合物，化学式为K2NiF6。它可由氟气氟化氯化钾和二氯化镍的混合物（2：1）制得。六氟合镍(IV)酸钾易与水反应，并放出氧气。但可溶于无水氟化氢生成亮红色溶液。在350℃以上真空加热分解： 六氟合镍(IV)酸钾是强氧化剂，可用它氧化五氟化氯和五氟化溴，生成ClF+6和BrF+6，这一点只有二氟化氪也能做到。 （X为Cl或Br，无水氟化氢，-60℃） (zh)
  • Potassium hexafluoronickelate(IV) is an inorganic compound with the chemical formula K2NiF6. It can be produced through the reaction of potassium fluoride, nickel dichloride, and fluorine. It reacts violently with water, releasing oxygen. It dissolves in anhydrous hydrogen fluoride to produce a light-red solution. Potassium hexafluoronickelate(IV) decomposes at 350 °C, forming potassium hexafluoronickelate(III), nickel(II) fluoride, and fluorine: Potassium hexafluoronickelate is a strong oxidant. It can turn chlorine pentafluoride and bromine pentafluoride into ClF+6 and BrF+6, respectively: (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/K2NiF6.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Mg2FeH6_from_X-ray.jpg
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  • K2NiF6.svg (en)
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  • potassium hexafluoronickelate (en)
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  • Kaliumhexafluoronickelat(IV) ist eine anorganische chemische Verbindung aus der Gruppe der Kaliumfluorkomplexe. (de)
  • L'hexafluoronickélate(IV) de potassium est un composé inorganique de formule K2[NiF6], contenant des ions nickel de valence IV, très peu courante. (fr)
  • Potassium hexafluoronickelate(IV) is an inorganic compound with the chemical formula K2NiF6. It can be produced through the reaction of potassium fluoride, nickel dichloride, and fluorine. It reacts violently with water, releasing oxygen. It dissolves in anhydrous hydrogen fluoride to produce a light-red solution. Potassium hexafluoronickelate(IV) decomposes at 350 °C, forming potassium hexafluoronickelate(III), nickel(II) fluoride, and fluorine: Potassium hexafluoronickelate is a strong oxidant. It can turn chlorine pentafluoride and bromine pentafluoride into ClF+6 and BrF+6, respectively: ( X = Cl or Br , -60 °C , aHF = anhydrous hydrogen fluoride). Potassium hexafluoronickelate decomposes at high temperatures to release fluorine gas; like terbium(IV) fluoride, the emitted fluorine is primarily monatomic rather than the typical diatomic. It adopts the structure seen for K2PtCl6 and Mg2FeH6. (en)
  • 六氟合镍(IV)酸钾是一种镍的配合物，化学式为K2NiF6。它可由氟气氟化氯化钾和二氯化镍的混合物（2：1）制得。六氟合镍(IV)酸钾易与水反应，并放出氧气。但可溶于无水氟化氢生成亮红色溶液。在350℃以上真空加热分解： 六氟合镍(IV)酸钾是强氧化剂，可用它氧化五氟化氯和五氟化溴，生成ClF+6和BrF+6，这一点只有二氟化氪也能做到。 （X为Cl或Br，无水氟化氢，-60℃） (zh)
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  • potassium hexafluoronickelate(IV) (en)
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