Home
Class 12
CHEMISTRY
When non-volatile solute is added to a ...

When non-volatile solute is added to a pure solvent, the:

A

V.P. of solution becomes lower than the V.P. of pure solvent

B

rate of evaporation of solvent is reduced

C

solute does not affect the rate of condensation

D

rate of evaporation of solvent = rate of condensation of the solvent at equilibrium

Text Solution

Verified by Experts

Refer theory (Relative lowering of vapour pressure).
Promotional Banner

Topper's Solved these Questions

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|57 Videos
  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|31 Videos
  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise LEVEL 1|75 Videos
  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise EXERCISE-J|10 Videos
  • THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|31 Videos

Similar Questions

Explore conceptually related problems

Why is freezing point depressed when a non-volatile solute is added to a solvent ?

Figure explains elevation in boiling point when a non-volatile solute is added to a solvent. Variation of vapour pressure with temperaure and elevation in boiling point is marked. Elevation in b.p of an aqueous urea solution is 0.52^(@) (K_(b) = 0.52^(@) mol^(-1)kg) . Hence, mole fraction of urea in this solution is:

For a non-volatile solute

The vapour pressure of pure liquid solvent A is 0.80 atm . When a non-volatile substance B is added to the solvent, its vapour pressure drops to 0.60 atm , the mole fraction of component B in the solution is

Assertion (A) When methyl alcohol is added to water, boiling point of water increases. Reason (R ) When a volatile solute is added to a volatile solvent evevation in boiling point is observed.

The vapour pressure of a solvent decreased by 10 mm of Hg when a non-volatile solute was added to the solvent. The mole fraction of solute is 0.2 , what would be the mole fraction of solvent if the decrease in vapour pressure is 20 mm of Hg .

Consider following figure and answer the questions at the end of it. Figure explains elevation in boiling point when a non-volatile solute is added to a solvent. Variation of vapour pressure with temperature and showing elevation in boiling point. Given that DeltaT_(b) is the elevation in boiling point of the solvent in a solution of molality m then underset(mto0)(Lt)((DeltaT_(b))/(m)) is equal to

The vapour pressure (VP) of a dilute solution of non-volatile solute is P and the VP of a pure solvent is P^(@) . The lowering of the VP is

V.P. of solvent in pure state is 600 mm Hg, when a non-volatile solute is added to it vapour pressure of solution becomes 594 mm Hg, then x_(B) will be

If a non-volatile solute is dissolved in a volatile solvent relative lowering of vapour pressure is equal to

VMC MODULES ENGLISH-THEORY OF SOLUTIONS-LEVEL 2
  1. A mixture of volatile component A and B has total vapour pressure (in ...

    Text Solution

    |

  2. 1 mol benzene (P^(@)("benzene")=42 mm) and 2 mol toluence (P^(@)("to...

    Text Solution

    |

  3. When non-volatile solute is added to a pure solvent, the:

    Text Solution

    |

  4. An aqueous solution has freezing point at -2.55^(@)C. What is its boi...

    Text Solution

    |

  5. Among the following, the solution which shows the lowest osmotic press...

    Text Solution

    |

  6. A 0.1 M solution of glucose (molecular weight 180 g "mol"^(-1)) and a...

    Text Solution

    |

  7. Which of the following statements is incorrect ?

    Text Solution

    |

  8. Two liquids A and B form an ideal soluton. The vapour pressure of pure...

    Text Solution

    |

  9. M(n)= Normal molecular mass of solute M(0)= Observed molecule mass o...

    Text Solution

    |

  10. At 17^(@)C, the osmotic pressure of sugar solution is 580 torr. The so...

    Text Solution

    |

  11. The vapour pressure of an aqueous solution of glucose is 750 mm of Hg ...

    Text Solution

    |

  12. The boiling point of an aqueous solution of a non-volatile solute is 1...

    Text Solution

    |

  13. The relative lowering of vapour pressure of an aqueous solution of a n...

    Text Solution

    |

  14. Calculate the entropy change for vapourisation of water if latent heat...

    Text Solution

    |

  15. We have 200 mL of 6% urea solution at 27^(@)C. Osmotic pressure due to...

    Text Solution

    |

  16. Two equimolar solutions have osmotic pressures in the ratio of 2 : 1 a...

    Text Solution

    |

  17. Human blood gives rise to an osmotic pressure of approximately 7.65 at...

    Text Solution

    |

  18. Osmotic pressure of insulin solution at 298 K is found to be 0.0072atm...

    Text Solution

    |

  19. Out of the compounds below, the vapour pressure of (B) at a particular...

    Text Solution

    |

  20. How much urea must be dissolved in 10^(-2)m^(3) water to yield a press...

    Text Solution

    |