CBSE Class 12 Chemistry 2023 Outside Delhi Set 2 Solved Paper

Question : 10 of 14

Marks: +1, -0

Assertion (A): Elevation in boiling point is a colligative property.
Reason (R): The lowering of vapour pressure of solution causes elevation in boiling point.

Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Solution:

R

) is false Osmotic pressure depends upon the number of solute dissolve in per litre of solution.

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