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Copper(II) fluoride is an inorganic compound with the chemical formula CuF2. It is a white or green, crystalline, hygroscopic solid.
Reaction of copper with acids. Copper metal dissolves in hot concentrated sulphuric acid to form solutions containing the aquated Cu(II) ion together with hydrogen gas, H 2. In practice, the Cu(II) is present as the complex ion [Cu(OH 2) 6 ] 2+ .Cu(s) + H 2 SO 4 (aq) â Cu 2+ (aq) + SO 4 2- (aq) + H 2 (g).eaction of copper with the halogens. The reaction between copper metal and the halogens fluorine, F 2, chlorine, Cl 2, or bromine, Br 2, affords the corresponding dihalides copper(II) fluoride, CuF 2, copper(II) chloride, CuCl 2, or copper(II) bromide, CuBr 2 respectively. Cu(s) + F 2 (g) â CuF 2 (s) [white].