Solutions Question 89

Question: When a substance is dissolved in a solvent, the vapour pressure of solvent decreases. It brings [BHU 2004]

Options:

A) A decrease in boiling point of solution

B) An increase in boiling point of the solution

C) A decrease in freezing point of the solution

D) An increase in freezing point of the solution

Show Answer

Answer:

Correct Answer: B

Solution:

As we know that Boiling point $ \propto \frac{1}{\text{vapour pressure of liquid}} $ Hence, on decreasing vapour pressure, boiling point will increase.



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