Question

4. What happens when ammonia solution is added first
dropwise and then in excess to the following solutions :
(1) CuSO4 (ii) ZnSO (ii) FeCl3
Write balanced equations for these reactions.
TI​

Answer 1

Answer:

i On adding little ammonia solution on copper sulphate solution, we get a pale blue precipitate of copper hydroxide. Now when we add excess ammonia solution, the precipitate dissolves, forming a deep azure blue solution.

Explanation:

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