COMEDK · Chemistry · 18. Electrochemistry
A dilute solution of sulphuric acid is electrolysed using a current of 0.20 A for 4 hours to produce hydrogen and oxygen gas. The total volume of gas produced at STP is ........ \(\mathrm{cm}^3\) [Nearest integer]
[Given, Faraday constant \(F=96500 \mathrm{C} / \mathrm{mol}\) at STP molar volume of an ideal gas is \(22.7 \mathrm{~L} / \mathrm{mol}]\) [in mL]
- A 512
- B 516
- C 530
- D 508
Answer & Solution
Correct Answer
(D) 508
Step-by-step Solution
Detailed explanation
At anode \(2 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{O}_2(g)+4 \mathrm{H}^{+}+4 e^{-}\) At cathode \(2 \mathrm{H}_2 \mathrm{O}+2 e^{-} \longrightarrow \mathrm{H}_2(\mathrm{~g})+2 \mathrm{OH}^{-}\) Now number of gram equivalent…
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