Home
Class 12
CHEMISTRY
The vapour pressure of a certain pure li...

The vapour pressure of a certain pure liquid A at 298 K is 40 mbar. When a solution of B is prepared in A at the same temperature, the vapour pressure is found to be 32 mbar. The mole fraction of A in the solution is

A

`0.18`

B

`0.14`

C

`0.23`

D

`0.34`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS AND COLLIGATIVE PROPERTIES

    TARGET PUBLICATION|Exercise Competitive Thinking|81 Videos
  • SOLID STATE

    TARGET PUBLICATION|Exercise QUESTION|211 Videos

Similar Questions

Explore conceptually related problems

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

At 40^(@)C the vapour pressure of pure liquids, benzene and toluene, are 160 mm Hg and 60 mm Hg respectively. At the same temperature, the vapour pressure of an equimolar solution of the liquids, assuming the ideal solution will be:

The vapour pressure of a pure liquid is 0.80 atm. When a non-volatile solute is added to this liquid, its vapour pressure drops to 0.60 atm. The mole fraction of the solute in the solution is

The vapour pressure of pure liquid solvent A is 0.80 atm.When a non volatile substances B is added to the solvent, its vapour pressure drops to 0.60 atm. Mole fraction of the components B in the solution is:

The vapour pressure of a pure liquid is 0.043 bar at a certain temperature. When a nonvolatile solute is dissolved into it, the vapour pressure of the solution is found to be 0.041 bar. What is the relative lowering of vapour pressure?

The vapour pressure of pure liquid is 1.2 atm. When a non-volatile substance B is mixed in A, then its vapour pressure becomes 0.6 atm. The mole fraction of B in the solution is

The vapour pressure of pure liquid solvent 0.50 atm. When a non-volatile solute B is added to the solvent, its vapour pressure drops to 0.30 atm. Thus, mole fraction of the component B is

TARGET PUBLICATION-SOLUTIONS AND COLLIGATIVE PROPERTIES-Evaluation Test
  1. The vapour pressure of pure benzene at 25^(@)C is 180 mm Hg. The...

    Text Solution

    |

  2. A small amount of a non-volatile solute is dissilved in 64.5 cm^...

    Text Solution

    |

  3. The vapour pressure of a certain pure liquid A at 298 K is 40 mbar. Wh...

    Text Solution

    |

  4. A solution has 1:3 ratio of cyclopentane to cyclohexane . The va...

    Text Solution

    |

  5. 0.3 molal aqueous solution of sucrose boils at 100.51 ^(@) C . Th...

    Text Solution

    |

  6. A solution contains 0.524 g of camphor ( molar mass = 152 g/ mol...

    Text Solution

    |

  7. 0.1 M solution each of glucose, sodium chloride, sodium sulphate...

    Text Solution

    |

  8. The depession inn freezing point of a 5% aqueous solution of a s...

    Text Solution

    |

  9. The depression of freezing point of a solvent (b.p:303 K) for a ...

    Text Solution

    |

  10. Two elements A and B form compounds having molecular formula AB(2) and...

    Text Solution

    |

  11. A solution containing 3.56 g of a polymer in 1 litre of a solve...

    Text Solution

    |

  12. A solution of glucose containing 9.2 g/ litre (molecular weight ...

    Text Solution

    |

  13. IF 10 g of solute was dissolved in 250 mL. of water and osmoti...

    Text Solution

    |

  14. IF density of a solvent is greater than 1 kg dm^(-3) , then the ...

    Text Solution

    |

  15. The vapour pressure will be lowest for .

    Text Solution

    |

  16. At certain Hill-station pure water boils at 99.725^(@)C. If K(b) for w...

    Text Solution

    |

  17. A solution containing 500 g of a protein per litre is isotonic ...

    Text Solution

    |

  18. The osmotic pressure of a solution at 276 K is 2.5 atm . It...

    Text Solution

    |

  19. Identify the compound amongst the following of which 0.05 m aqueo...

    Text Solution

    |

  20. For sodium chloride dissolved in water , the van't Hoff factor (...

    Text Solution

    |