Question
(b) cell. Write the reactions occurring at electrodes in the electrolysis of water. Why are a few drops of conc. added in this process?
Answer :
Word Count : 131
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In the electrolysis of water, the reactions occurring at the electrodes are:
At the cathode: 2H₂O(l) + 2e⁻ → H₂(g) + 2OH⁻(aq)
At the anode: 2H₂O(l) → O₂(g) + 4H⁺(aq) + 4e⁻
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