Solutions Question 114
Question: The relative lowering of the vapour pressure is equal to the ratio between the number of [EAMCET 1991; CBSE PMT 1991]
Options:
A) Solute moleules and solvent molecules
B) Solute molecules and the total molecules in the solution
C) Solvent molecules and the total molecules in the solution
D) Solvent molecules and the total number of ions of the solute
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Answer:
Correct Answer: B
Solution:
The relative lowering of the vapour pressure of dilute solution is equal to the mole fraction of the solute molecule present in the solution.