Question

State the colour of Copper[II] Hydroxide solution after addition of Ammonium Hydroxide in excess to it..

Answer 1

Explanation:

When concentrated ammonia solution (ammonium hydroxide) is added to a clear, light blue, aqueous solution of copper(II) chloride, a powdery, light blue precipitate of copper(II) hydroxide forms. Further addition of ammonia causes the copper ion to go back into solution as a deep blue ammonia complex.

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Answer 2

Explanation:

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