Excess of KCN is added to an aqueous solution of CuSO 4 ∙5H 2 O. This causes:
Chemistry · NEET · NTA Exams — Coordination Compounds
Excess of KCN is added to an aqueous solution of CuSO4∙5H2O. This causes:
- the formation of Cu(CN)2
- the formation of Cu(OH)2
- the formation of complex ion [Cu(CN)4]2-
- the precipitation of CuCN which dissolves forming the complex ion [Cu(CN)4]3-
Answer
(D) the precipitation of CuCN which dissolves forming the complex ion [Cu(CN) 4 ] 3-
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