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Subject - Chemistry:

Basics

MCQ - 18-2204

Question:

For dilute solution, Raoult's law states that:

  1. the relative lowering of vapor pressure is equal to mole fraction of solute
  2. the vapor pressure of the solution is equal to mole fraction of the solvent
  3. the relative lowering of vapor pressure is proportional to amount of solute
  4. the vapor pressure of the solution is equal to mole fraction of the solvent

Correct Answer: A

Explanation:

According to Raoult's law, for dilute solutions containing non-volatile solute, the relative lowering of vapor pressure, Δp/po is equal to the mole fraction of solute, X2. i.e., Δp/po = X2 It is a colligative property.

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Read the MCQ statement: For dilute solution, Raoult's law states that:, keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 18-2204.

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