Question

SAQ : What happens when excess ammonia solution is added gradually to an aqueous solution of CuSO4?

September 11, 2023

Answer

When excess ammonia solution is added gradually to an aqueous solution of CuSO4, a deep blue complex known as cuproammonium sulphate is formed.

CuSO₄ + NH₄(OH) → [Cu(NH₃)₄SO₄]

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