MHT CET · Chemistry · Electrochemistry
Which of the following is released at cathode during electrolysis of aqueous sodium chloride?
- A \(\mathrm{Cl}_{2(\mathrm{~g})}\)
- B \(\mathrm{Na}_{(\mathrm{s})}\)
- C \(\mathrm{O}_{2(\mathrm{~g})}\)
- D \(\mathrm{H}_{2(\mathrm{~g})}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{H}_{2(\mathrm{~g})}\)
Step-by-step Solution
Detailed explanation
At cathode : \(2 \mathrm{H}_2 \mathrm{O}_{(1)}+2 \mathrm{e}^{-} \rightarrow \mathrm{H}_{2(\mathrm{~g})}+2 \mathrm{OH}_{(\mathrm{aq})}\)
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