Home
Class 12
CHEMISTRY
For a dilute solution, Raoult's low stat...

For a dilute solution, Raoult's low states that :

A

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

B

The relative lowering of vapour pressure is equal to the 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

Text Solution

Verified by Experts

The correct Answer is:
B
According to Raoult’s law, “the relative lowering of vapour pressure is equal to the mole fraction of solute”.
Promotional Banner

Topper's Solved these Questions

  • LIQUID SOLUTIONS

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE -01|5 Videos

  • LIQUID SOLUTIONS

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE -02|6 Videos

  • LIQUID SOLUTIONS

    VMC MODULES ENGLISH|Exercise illustrating the concept|5 Videos

  • LIQUID SOLUTION

    VMC MODULES ENGLISH|Exercise IMPECCABLE|100 Videos

  • MOCK TEST 1

    VMC MODULES ENGLISH|Exercise PART II : CHEMISTRY (SECTION-2)|10 Videos

Similar Questions

Explore conceptually related problems

Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO_3 . State 'the reason.

A: Raoult's law applicable for dilute solution only. R: Henry's law is applicable for solution of gas in liquid.

A solution that obeys Raoult’s law is:

The vapour pressure of a pure liquid A is 40 mm Hg at 310 K . The vapour pressure of this liquid in a solution with liquid B is 32 mm Hg . The mole fraction of A in the solution, if it obeys Raoult's law, is:

The vapour pressure of a pure liquid A is 40 mm Hg at 310 K . The vapour pressure of this liquid in a solution with liquid B is 32 mm Hg . The mole fraction of A in the solution, if it obeys Raoult's law, is:

In which of these solutions Raoult’s law is not applicable?

An ideal solution follows Raoult's law over all ranges of concentrations and pressure.

One component of a solution follows Raoult's over the entire range 0lex_(1)le1. The second component must follow Raoult's law in the range when x_(2) is

What are the conditions for an ideal solution which obeys Raoult's law over the entire range of concentration ?

VMC MODULES ENGLISH-LIQUID SOLUTIONS-SOLVED EXAMPLES
  1. A weak electrolyte, AB, is 5% dissociated in aqueous solution. What is...

    Text Solution

    |

  2. Calculate the boiling point of a 1M aqueous solution (density 1.04 g M...

    Text Solution

    |

  3. The vapour pressure of a solvent decreased by 10 mm of Hg when a non-v...

    Text Solution

    |

  4. The molal freezing point constant of water is 1.86 K m^(-1). If 342 g...

    Text Solution

    |

  5. 20 gm of a binary electrolyte (mol. mass = 100 g/mole) is dissolved in...

    Text Solution

    |

  6. Y g of non-volatile or ganic substance of molecular mass M is dissolve...

    Text Solution

    |

  7. The values of observed and calculated molecular weights of silver nitr...

    Text Solution

    |

  8. At 40^(@)C the vapour pressure in torr,of methyl alcohol - ethyl alcoh...

    Text Solution

    |

  9. Calculate the amount of ice that will separate out on cooling containi...

    Text Solution

    |

  10. The freezing point of aqueous solution that contains 5% urea by mass, ...

    Text Solution

    |

  11. An azeotropic solution of two liquid has boiling point lower than eith...

    Text Solution

    |

  12. For a dilute solution, Raoult's low states that :

    Text Solution

    |

  13. A molal solution is one that contains 1 mol of a solute in

    Text Solution

    |

  14. When mercuric iodide is added to the aqueous solution of KI, then the ...

    Text Solution

    |

  15. Which of the following 0.1 M aqueous solutions will have the lowest fr...

    Text Solution

    |

  16. The freezing point of equimolal solution will be highest for :

    Text Solution

    |

  17. The molecular weight of benzoic acid in benzene as determined by depre...

    Text Solution

    |

  18. When 0.004 M Na(2)SO(4) is an isotonic acid with 0.01 M glucose, the d...

    Text Solution

    |

  19. The elevation in boiling point of a solution of 13.44 g of CuCl(2) in ...

    Text Solution

    |

  20. When 20 g of naphthoic acid (C(11)H(8)O(2)) is dissolved in 50 g of be...

    Text Solution

    |