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Relative Lowering Of Vapor Pressure

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According to Raoult's law, the relative lowering of vapor pressure is equal to:

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About This Question

Subject
chemistry
Chapter
solutions
Topic
relative lowering of vapor pressure
Difficulty
Easy
Year
2025
Tags
Vapor PressureRaoult's LawMole Fraction

Solution

Correct Answer:

Mole fraction of solute

Relative Lowering of Vapor Pressure is a colligative property.

  • Statement: For a dilute solution containing a non-volatile solute, the relative lowering of vapor pressure () is equal to the Mole Fraction of the solute ().
  • This indicates that the effect depends solely on the number of solute particles present in the solution, regardless of their chemical identity or nature.

This easy difficulty chemistry question is from the chapter solutions, covering the topic of relative lowering of vapor pressure. It appeared in the 2025 exam.

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