CBSE 2024 · Region 3 · Set 1 · Q13 · 1 mark
Assertion (A) : Addition of ethylene glycol to water lowers its freezing point.
Reason (R) : Ethylene glycol is insoluble in water due to lack of its ability to form hydrogen bonds with water molecules.
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 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.