Description of experiment
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Needed compounds:
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ammonia : NH3
nickel sulfate : NiSO4 . 6H2O
Class:
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elem=Ni
coordination
Summary:
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Adding ammonia to a Ni2+ solution results in formation of a purple/blue
coordination complex.
Description:
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Dissolve some NiSO4.6H2O in water: The liquid becomes pale green and it
is not completely clear after dissolving the nickel sulfate.
Add an excess amount of ammonia (5% by weight): The liquid turns purple/blue
and it still remains slightly milky.