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Potassium hexafluorocuprate(III) is an
inorganic compound In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistr ...
with the chemical formula K3CuF6. It is a green
paramagnetic Paramagnetism is a form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied magnetic field. In contrast with this behavior, d ...
solid, a relatively rare example of a copper(III) compound.


Synthesis and structure

The compound is prepared by oxidizing the mixture of
potassium chloride Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water, and its solutions have a sa ...
and cuprous chloride with fluorine: :3 KCl + CuCl + 3 F2 → K3CuF6 + 2 Cl2 A variety of analogues are known.R. Hoppe, G. Wingefeld "Zur Kenntnis der Hexafluorocuprate(III)" Zeitschrift für anorganische und allgemeine Chemie 1984, Vol. 519, pages 195–203. The compound reacts with water easily, producing oxygen and copper(II) products.


See also

* Cuprate(III) *
caesium hexafluorocuprate(IV) Caesium hexafluorocuprate is the inorganic compound with the chemical formula . It is a red solid that degrades upon contact with water. It was first prepared be heating and caesium fluoride Caesium fluoride or cesium fluoride is an inorgani ...


References

{{Potassium compounds Copper compounds Potassium compounds Fluoro complexes Metal halides Fluorometallates