NEET Chemistry Functional Group Tests MCQ Question
In the analysis of copper ions, which complex forms when an excess of ammonium hydroxide is added to a solution containing basic copper sulphate precipitate?
[Cu(NH3)4]SO4
Cu(OH)2
CuSO4
Cu(NO3)2
Correct Answer
Detailed Explanation
The basic copper sulphate precipitate dissolves in excess ammonium hydroxide to form the deep blue tetraamminecopper (II) complex, [Cu(NH3)4]SO4.
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