Description of experiment
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Needed compounds:
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hydrochloric acid : HCl
vanadyl sulfate : VOSO4.5H2O
Class:
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elem=V,Cl
coordination
Summary:
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Vanadyl ions apparently do not form a coordination complex with chloride at
extremely high concentration, or the coordination complex has the same color
as the vanadyl-aqua complex.
Description:
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Add some solid vanadyl sulfate to concentrated hydrochloric acid (37% HCl):
The solid dissolves and the liquid becomes blue, just as when the solid is
dissolved in plain water.