CLASS 12 CHEMISTRY CHAPTER 6-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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Question1. Explain why hydro-metallurgy can extract copper , but cannot extract zinc. Solution :Copper has a higher reduction potential than zinc or iron. Thus, in hydro-metallurgy iron and zinc can be used to displace copper from its solution.Fe(s) + Cu2+(aq) ⇒ Fe2+ (aq) + Cu(s)However, in-order to displace zinc a metal more reactive than it is …

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