Question

In producing chlorine through electrolysis $100$ watt power at 125 V is being consumed. How much chlorine per minute is liberated ? Electrochemical Equivalent of chlorine is $0.367$ $\times$ 10${}^{-6}$ kg/coulomb:

• A. $21.3$ mg
• B. $17.6$ mg
• C. $24.3$ mg
• D. $13.6$ mg

Answer 1

The correct option is B $17.6$ mg

Given value in this solution:

Power consumed in electrolysis $=100W$

Current in flow in this solution, $i=\frac{100}{125}=0.8A$

According to first law of Faraday's law

$M=ZQ$ and $Q=it$

So,

$M=Zit$

$Z=0.367\times {10}^{-6};i=0.8A;t=60s$

$M=0.367\times {10}^{-6}\times 0.8\times 60$

$=17.6\times {10}^{-6}$ kg

$=17.6mg$