CBSE 2025 · Region 4 · Set 1 · Q13 · 1 mark
Assertion (A) : Electrolysis of aqueous NaCl gives $\displaystyle \mathrm{H}_{2}$ at cathode and $\displaystyle \mathrm{Cl}_{2}$ at anode. Reason $\displaystyle (R)$ : Chlorine has higher oxidation potential than $\displaystyle \mathrm{H}_{2} \mathrm{O}$.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
ElectrochemistryElectrolytic Cells and ElectrolysisUnderstandassertion_reasonmedium
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CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.