Solutions Question 111

Question: When a substance is dissolved in a solvent the vapour pressure of the solvent is decreased. This results in [NCERT 1981]

Options:

A) An increase in the b.p. of the solution

B) A decrease in the b.p. of the solvent

C) The solution having a higher freezing point than the solvent

D) The solution having a lower osmotic pressure than the solvent

Show Answer

Answer:

Correct Answer: A

Solution:

Vapour pressure $\propto \frac{1}{\text{Boiling point}} $



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