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Copper deposition can occur from both acidified copper (II) sulfate and alkaline cuprous cyanide solutions. If same current is passed for a specific duration, which of the following outcomes is expected? ( Assume 100 % current efficiency in each experiment)

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A greater quantity of copper will be deposited from acidified copper sulfate

A greater quantity of copper will be deposited from alkaline cuprous cyanide.

An equal amount of copper will be deposited in both cases.

Copper deposition will not occur in either case.

answer is B.

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Detailed Solution

$W = \frac{Q}{F} \times \frac{A}{n}$ For smaller n, w will be higher.

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