CBSE 2025 · Region 5 · Set 1 · Q15 · 1 mark
Assertion (A) : The solubility of aldehydes and ketones in water decreases with increase in size of the alkyl group.
Reason (R) : Aldehydes and ketones have dipole-dipole interaction.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
Aldehydes, Ketones and Carboxylic AcidsPhysical Properties of Aldehydes, Ketones and Carboxylic AcidsUnderstandassertion_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.