Potassium hexafluorocuprate(III)
# Potassium hexafluorocuprate(III)

Potassium hexafluorocuprate(III) is an inorganic compound with the chemical formula $K_3CuF_6.$ It is a green paramagnetic solid, a relatively rare example of a copper(III) compound.

## Synthesis and structure

The compound is prepared by oxidizing the mixture of potassium chloride and cuprous chloride with fluorine:

    3 KCl + CuCl + 3 $F_2$ → $K_3CuF_6$ + 2 $Cl_2$

A variety of analogues are known. The compound reacts with water easily, producing oxygen and copper(II) products.

