CBSE 2023 · Region 2 · Set 1 · Q15 · 1 mark
Assertion (A) : Osmotic pressure is a colligative property.
Reason (R) : Osmotic pressure is proportional to the molality.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
(A) is true, but (R) is false.
SolutionsColligative Properties and Determination of Molar MassUnderstandassertion_reasoneasy
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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.