What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
Correct answer: D. Cl2, H2 & NaOH solution
- A. Cl2 & Na
- B. Cl2 & H2
- C. O2 & H2
- D. Cl2, H2 & NaOH solution
Explanation
At the anode, chloride ions form chlorine, while water at the cathode forms hydrogen and hydroxide ions. The sodium ions combine with hydroxide to give sodium hydroxide solution, so all three products are obtained.
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