A) Fe
B) Na
C) Zn
D) Au
Correct Answer: C
Solution :
[c] Zn Metals are recovered from complexes by displacement method using a more electropositive zinc metal. \[2\,{{[Ag\,{{(CN)}_{2}}]}^{-}}-\left( aq. \right)\,\,+Zn\,(s)\] \[\to \,2A\,(s)\,+{{[Zn\,(CN){{L}_{4}}]}^{2-}}(aq.)\] Zinc acts as a reducing agent.You need to login to perform this action.
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