Current Electricity - Result Question 52
55. In producing chlorine through electrolysis, 100 watt power at $125 V$ is being consumed. How much chlorine per minute is liberated? E.C.E. of chlorine is $0.367 \times 10^{-6} kg /$ coulomb.
[2006]
(a) $21.3 mg$
(b) $24.3 mg$
(c) $13.6 mg$
(d) $17.6 mg$
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Answer:
Correct Answer: 55. (d)
Solution:
- (d) Power $=V \times I$
$I=\frac{\text{ Power }}{V}=\frac{100}{125}$
E.C.E. of chlorine is $0.367 \times 10^{-6} kg /$ coulomb
Charge passing in one minute $=\frac{100}{125} \times 60$ $=48$ coulomb
Chlorine precipitated $=0.367 \times 10^{-6} \times 48$
$ =17.6 \times 10^{-6} kg $
$ =17.6 mg $
