Copper can be deposited from acidified copper sulphate and alkaline cuprous cyanide . If the same current is passed for a definite time
Copper can be deposited from acidified copper sulphate and alkaline cuprous cyanide . If the same current is passed for a definite time
A. the amount of copper deposited from acidic copper sulphate will be higher
B. the amount of copper deposited from alkaline cuprous cyanide will be higher
C. the same amount of copper will be deposited
D. none
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Correct Answer - B
In `CuSO_(4)` , change is `Cu^(2+) + 2e to Cu`,
In CuCN , change is `Cu ^(+) + e to Cu`,
Thus ` w alpha E_(Cu)` , which is more in CuCN.
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