Related Questions

The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
A Less than
B More than
C Equal to
D Either more or less; depends on the solvent
Addition of a non-volatile solute to a solvent produces a __________ in its solvent.
A Freezing point elevation
B Boiling point depression
C Vapor pressure lowering
D All of the above
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the
A Solute concentration
B Temperature
C Both A & B
D Neither A nor B
Dissolving a solute in a solvent does not change its
A Specific heat
B Vapour pressure
C Viscosity
D None of these
The process employing desorption of the absorbed solute by a solvent is called
A Elution
B Osmosis
C Reverse osmosis
D Sublimation
On addition of solute in the solvent, the __________ of the solution decreases.
A Boiling point
B Freezing point
C Vapour pressure
D Both B and C
Molarity is defined as the number of gm moles of solute per __________ of solvent.
A Litre
B Kg
C Gm
D C.c
Molality is defined as the number of gm moles of solute per __________ of solvent.
A litre
B gm
C kg
D m3
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a
A Beckman thermometer
B Dilatometer
C Mercury thermometer
D Bimetallic thermometer
Addition of a non-volatile solute to a pure solvent
A Increases its freezing point
B Increases its boiling point
C Decreases its freezing point
D Both B and C

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