CBSE 2023 · Region 4 · Set 3 · Q15 · 1 mark
Assertion (A) : When NaCl is added to water, a depression in freezing point is observed.
Reason (R) : The vapour pressure of solution is increased which causes depression in freezing point.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
SolutionsColligative Properties and Determination of Molar MassAnalyseassertion_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.