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| 1. |
Copper can be extracted by hydrometallurgy but not zinc. Explain. |
| Answer» SOLUTION :ZINC is more electropositive `(E^@ = - 0.76 V)` and therefore, is highly reactive METAL. Hence, it cannot be EASILY displaced from its solution of `ZnSO_4`. On the other hand, copper is less electropositive `(E^@ = + 0.34V)` and can be READILY displaced from its solution by some more active metal such as zinc. | |