Question

A 100 watt, 110volt lamp is connected in series with an electrolytic cell containing cdso4 solution the weight of cd deposited by the current for 10 hrs is

Answer 1

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Answer 2

Answer:

Time taken by the electrolytic cell containing CdSO4 solution for 10Hrs=10*60*60 sec = 6000 seconds.

The current strength of the electrolyte  =  100Watt / 110Volt = 0.909Ampere.

The number of electrons of Cd from 2+ to ground state will be = 2.

E of Cd = 112.4/2 = 56.2.

Weight of Cd = E* i * t / 96500.

Weight of Cd = 56.2 * 0.909 * 6000 / 96500 = 19.6 grams.