For a dilute solution, Raoult's law states that - Vidyadip

MCQ

For a dilute solution, Raoult's law states that

A
The lowering of vapour pressure is equal to mole fraction of solute
✓
The relative lowering of vapour pressure is equal to mole fraction of solute
C
The relative lowering of vapour pressure is proportional to the amount of solute in solution
D
The vapour pressure of the solution is equal to the mole fraction of solvent

✓

Answer

Correct option: B.

The relative lowering of vapour pressure is equal to mole fraction of solute

b
(b)According to the Raoult’s law for the non-volatile solute the relative lowering of vapour pressure of a solution containing a non-volatile is equal to the mole fraction of the solute.

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