Keywords: Nickel chloride anion complex.JPG en A mixture of the NiCl4 2- and the CuCl4 2- ion made by dissolving a mixture of copper II carbonate and nickel II oxide made by electrolyzing a nickel in a sodium carbonate solution The NiCl4 2- was definitely the majority own Chemicalinterest 2011-1-8 Nickel II chloride Copper II chloride Chloride ion |