ElectrochemistryHard
Question
After electrolysis of an aqueous sodium chloride solution, it was found that the solution is being neutralized by 60 ml N – HCl solution. During the same period of electrolysis, 3.18 g of copper was deposited in a copper volta meter in series. What is the percentage of the theoretical yield of sodium hydroxide obtained? (Cu = 63.6)
Options
A.40%
B.60%
C.30%
D.80%
Solution
Theoretical neq of NaOH formed = neq Cu$= \frac{3.18}{63.8} \times 2 = 0.1$
Actual neq of NaOH formed =$\frac{60 \times 1}{1000} = 0.06$
∴ Percentage yield = $\frac{0.06}{0.1 \times 100} = 60\%$
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