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NEET2009ChemistrySolutionsActual

For a dilute solution, Raoult's law states that

Options

  1. Athe relative lowering of vapour pressure is proportional to the amount of solute in solution
  2. Bthe relative lowering of vapour pressure is equal to the mole fraction of solute
  3. Cthe lowering of vapour pressure is equal to the mole fraction of the solute
  4. Dthe vapour pressure of the solution is equal to the mole fraction of the solvent.

Correct answer

B. the relative lowering of vapour pressure is equal to the mole fraction of solute

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