CuSO 4 when reacts with KCN forms CuCN which is insoluble in water. It is soluble in…
Chemistry · JEE Main · NTA Exams — Coordination Compounds
CuSO4 when reacts with KCN forms CuCN which is insoluble in water. It is soluble in excess of KCN, due to formation of the following complex:
- K2[Cu(CN)4]
- K3[Cu(CN)4]
- CuCN2
- Cu[K Cu(CN)4]
Answer
(B) K 3 [Cu(CN) 4 ]
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