Solubility and Insolubility of Copper II Chloride

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Soluble in water

Copper(II) chloride is soluble in water.
The formula of the compound is CuCl2 which consists of one copper atom and two chlorine atoms. Chlorine is toxic and corrosive gas which has an atomic number of 17 in group 17.

It can be used to make dyes and pigments for fabric. It is also a dyeing mordant which helps set dyes into fabrics for vibrant colors.

Soluble in ethanol and acetone

It is soluble in aqueous solutions of ethanol and acetone. The solution of the anhydrous salt becomes hygroscopic and forms dihydrate on exposure to moist air.

Insoluble in water

The anhydrous form of the salt is an amorphous brownish solid. It has a density of 3.40 g/cm3. When diluted it becomes green and then blue in colour.

Soluble in ethanol

It is very soluble in ethanol and acetone. The amorphous state of the salt is easily dispersed in the solvents and can be easily removed from the solvent with water.

Insoluble in water

The hexaaquocopper(II) ion is stable in water and does not undergo hydrolysis. When the copper ions are dissolved in water they are hydrated (not hydrolysed) and form the [Cu(H2O)6](2+) complex.

The ionic nature of the compounds means that they can be used to control fluid equilibrium and pH levels in biological systems. They are also conductive and can conduct electricity when fused or dissolved in water. They can also be used as metal ion reagents and are compatible with other chloride materials.