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For a dilute solution, Raoult’s law states that :

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a
The relative lowering of vapor pressure is equal to the mole fraction of solute.
b
The relative lowering of vapor pressure is equal to the mole fraction of solvent
c
The relative lowering of vapor pressure is proportional to the amount of solute in solution
d
The vapor pressure of the solution is equal to the mole fraction of solvent.

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detailed solution

Correct option is A

Raoult's law is a relation applied in physical chemistry which for a dilute solution provides the relation that: The mole fraction of solute is equal to the relative decrease in vapour pressure.

Prove that the relative lowering of vapour pressure is equal to the mole  fraction of non-volatile solute in the solution. from Chemistry Solutions  Class 12 CBSE

 

 

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