Home
Class 12
CHEMISTRY
The vapour pressure of a pure liquid 'A'...

The vapour pressure of a pure liquid 'A' is 70 torr at `27^(@)C`. It forms an ideal solution with another liquid B. The mole fraction of B is 0.2 and total pressure of the solution is 84 torr at `27^(@)C`. The vapour pressure of pure liquid B at `27^(@)C` is :

A

14

B

140

C

156

D

70

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 97

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

  • NTA NEET TEST 101

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

Similar Questions

Explore conceptually related problems

The vapour pressure of a pure liquid A is 60 torr at 300K. It forms an ideal solution with another liquid B. The mole fraction of B is 0.25 and the total pressure of the solution is 82.5 torr at 300K. The vapour pressure of pure liquid B at 300K is

The vapour pressure of a pure liquid A is 70 torr at 300K. It forms an ideal solution with another liquid B. The mole fration of B in the solution is 0.2 and total pressure of solution is 84 torr at 300K. The vapour pressure of pure liquid B at 26^(@)C is

Vapour pressure of pure A is 70 mm of Hg at 25^(@)C . If it forms an ideal solution with B in which mole fraction of A is 0.8 and vapour pressure of the solution is 84 mm of Hg at 25^(@)C , then the vapour pressure of pure B at 25^(@)C 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 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 A is 0.80 atm. On mixing a non-volatile B to A, its vapour pressure becomes 0.6 atm. The mole fraction of B in the solution 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 . Mole fraction of A in the solution , if it obeys Raoult's law is :

NTA MOCK TESTS-NTA NEET SET 99-CHEMISTRY
  1. An acid type indicator, H In differs in colour from its conjugate base...

    Text Solution

    |

  2. The colour of transition metal ion is attributed to:

    Text Solution

    |

  3. The vapour pressure of a pure liquid 'A' is 70 torr at 27^(@)C. It for...

    Text Solution

    |

  4. Cannizzaro reaction is given by .

    Text Solution

    |

  5. In the complex, potassium pentacyanonitrosylvandate (0), the number of...

    Text Solution

    |

  6. The total molarity and normality of all the ions present in a solution...

    Text Solution

    |

  7. Assign the IUPAC name for the following compound. {:(H2C-COOH),(" ...

    Text Solution

    |

  8. When acetone and chloroform are mixed together, H - bonding takes plac...

    Text Solution

    |

  9. In the given reaction R-overset(O)overset(||)(C)-OHoverset([X])toR-o...

    Text Solution

    |

  10. Linear polyenes on ozonolysis gives two moles of acetaldehyde and one ...

    Text Solution

    |

  11. CH3-C-=Noverset(H2"O"//Delta)rarr(A)overset(H2"O"//H^+)rarr(B)(A) and ...

    Text Solution

    |

  12. The movement of sol particles under and applied electric field is call...

    Text Solution

    |

  13. K(a) for HCN is 5 xx 10^^(-10) at 25^(@)C. For maintaining a constant ...

    Text Solution

    |

  14. In the reaction sequence CH3-C-=C-Hoverset(NaNH2)rarr[X]overset(HCHO)r...

    Text Solution

    |

  15. When a lead storage battery is discharged

    Text Solution

    |

  16. Hydride of certain non - metallic element X is amphoteric in nature. I...

    Text Solution

    |

  17. In the reaction sequence CH3CHOoverset(NH2OH//overset(o+)H)rarr(A)over...

    Text Solution

    |

  18. At 300 K, half life of a gaseous reactant initially at 58 KPa is 320 m...

    Text Solution

    |

  19. If an endothermic reaction is non - spontaneous at freezing of water a...

    Text Solution

    |

  20. Which one of the following compounds is non - benzenoid ?

    Text Solution

    |