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The relative lowering of vapour pressure...

The relative lowering of vapour pressure is equal to the ratio between the number of

A

Solute molecules and solvent molecules

B

Solute molecules and the total molecules in the solution

C

Solvent molecules and the total molecules in the solution

D

Solvent molecules and the total number of ions of the solute

Text Solution

Verified by Experts

The correct Answer is:
B
The relative lowering of the vapour pressure of dilute solution is equal to the mole fraction of the solute molecule present in the solution.
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Knowledge Check

  • The relative lowering in vapour pressure is:

    A
    `prop X_("solute")`
    B
    `prop (1)/(X_("solute"))`
    C
    `=X_("solute")`
    D
    `prop m`

  • The relative of vapour pressure is equal to the ratio between the number of

    A
    solvent molecules to the total number of ions of the solute
    B
    solvent molecules to the total molecules in the solution
    C
    solute molecules to the molecular in the solution
    D
    solute molecules to the solvent molecules

  • Unit of lowering of vapour pressure is

    A
    atm
    B
    `Nm^(-1)`
    C
    Unitless
    D
    `Nm^(2)`

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