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Copper can be extracted by hydrometallurgy but not Zn. Why?

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Copper can be extracted by hydrometallurgy but not Zn. Why? 

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The E0 of Zn is lower than that of Cu thus Zn can displace Cu2+ ion from its solution. On other hand side to displace Zn from Zn2+ ion, we need a more reactive metal than it.  

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