CBSE 2023 · Region 3 · Set 1 · Q16 · 1 mark
Assertion (A) : Electrolysis of aqueous solution of NaCl gives chlorine gas at anode instead of oxygen gas.
Reason (R) : Formation of oxygen gas at anode requires overpotential.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
ElectrochemistryElectrolytic Cells and ElectrolysisUnderstandassertion_reasonmedium
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.