Copper Ion Solutions

Copper Ion Solutions

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Caption: Copper ion solutions. Left: 0.5M copper sulfate water solution has a blue colour due to copper aquo complex ( (Cu(H2O)6)2+ )formation. Centre: after concentrated hydrochloric acid is added to the solution, tetrachlorocuprate complex ( (CuCl4)2- ) is formed and the solution colour changes to green. Right: after excess ammonium hydroxide is added to the original solution and tetraaminediaqua complex ( (Cu(NH3)4(H2O))2+ ) is formed and the solution colour changes to dark blue.

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Keywords: ammonia, ammonium hydroxide, aquo, chemical, chemistry, complex, compound, coordination, copper, copper aquo complex, copper ion solution, copper sulfate, copper sulphate, cupric sulfate, cuso4, dark blue, green, hcl, hydrochloric acid, light blue, nh3, nh4oh, reaction, salt, solution, still life, sulfate, sulphate, test tube, tetraaminediaqua, tetrachlorocuprate, transition metal

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