Copper ion reaction

Copper ion reaction

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Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Copper II ion solutions. Solution of copper II ions (Cu2-) in copper sulphate (left). When ammonia (NH3) is added four water molecules from the solution are replaced with ammonia ions to form tetraaminediaqua copper II complex ions ((Cu(NH3)4(H2O))2+), which are dark blue in solution (right).

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Keywords: ammine, ammonia, apparatus, blue, chemical, chemicals, chemistry, colour, colours, complex, copper sulphate, exchange, experiment, experiments, glassware, ion, ions, reacting, reaction, reactions, test tubes, tetraaminediaqua, tube

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