Chemistry
During purification of copper – State:
(i) The anode used
(ii) The electrolyte used.
Write the equation taking place at the anode in the above.
Electrolysis
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Answer
(i) Impure block of copper
(ii) Aq. copper sulphate solution [acidified]
Equation at the anode: Cu – 2e- ⟶ Cu2+
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