Tetrachlorocuprate
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File:Tetrachlorocuprate.png
Tetrachlorocuprate structure
The tetrachlorocuprate ion is a chloro complex of copper, represented by the formula [CuCl4]2-.
Properties
The tetrachlorocuprate ion is hard to get in solid form, but is rather easy to calcinate. Tetrachlorocuprate ions react violently with aluminium to form fine copper and aluminium(III) ions. In solution, the tetrachlorocuprate ion is bright green.
Production
File:Tetrachlorocupric acid with copper.jpg
Reaction of copper, hydrochloric acid and hydrogen peroxide, showing the distinct green color of tetrachlorocuprate.