Chemistry, asked by suneedhi4896, 1 year ago

Cuso4 when reacts with kcn forms cucn. Which is insoluble in water. It is soluble in excess

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Answered by delinapereira1ow47l5

Copper sulphate on reaction with KCN to give cupric cyanide precipitates firstly which reduce into Cu2CN2 and dissolve in excess of KCN to give soluble K3[Cu(CN)4] complex salt.

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