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9.14 What is the coordination entity formed when excess of aqueous is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when
is passed through this solution?
Answers (1)
When KCN is passed through an aqueous solution of copper sulphate, CN- being a strong ligand, will replace water and form .
It is known that in stable coordination compounds, the individual identity of each constituent is lost i.e., Cu+2 is not available freely.
Thus no precipitate of copper sulphide is obtained in the given conditions.
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