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Chemistry · 2023 · 1 mark
CBSE 2023 · Region 2 · Set 1 · Q15
Assertion (A): Osmotic pressure is a colligative property. Reason (R): Osmotic pressure is proportional to the molality.
Assertion (A) : Osmotic pressure is a colligative property.
Reason (R) : Osmotic pressure is proportional to the molality.
Official answer
(C)
(A) is true, but (R) is false.
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.