First slide

Faraday's Laws

Question

When aq. ${AgNO}_{3}$ is subjected to electrolysis using inert electrodes, 10.8 grams of silver is deptosited at cathode. Weight of oxygen liberated at anode will be

Moderate

Solution

$\frac{W_{Ag}}{W_{O_{2}}} = \frac{E_{Ag}}{E_{O_{2}}} \frac{10.8}{W_{O_{2}}} = \frac{108}{8} W_{O_{2}} = 0.8 g$

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