Question

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Answer 1

Answer:

When ammonium hydroxide is added in the solution of copper sulfate drop-wise, a pale blue precipitate of copper hydroxide is obtained. ... When ammonium hydroxide is added in excess, the precipitate dissolves and gives a deep blue solution of tetraammine copper (II) sulfate.

Explanation:

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Answer 2

Answer:

A deep blue solution is obtained

Explanation:

With addition of an excess amount of ammonium hydroxide to copper sulphate solution gives a deep blue solution . From the above reaction we can conclude that the deep blue complex formed is [Cu(NH3)4]SO4. The name of the above compound is copper ammonium sulphate.