Home
Class 12
CHEMISTRY
If two substance A and B have PA: PB=1 :...

If two substance A and B have `P_A: P_B=1 : 2` and also `X_A : X_B` in solutions as 1 : 2, then mole fraction of A in vapours is

A

0.33

B

0.25

C

0.52

D

0.2

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise SOLID STATE|9 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL KINETICS|39 Videos
  • REDOX REACTONS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|27 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

Similar Questions

Explore conceptually related problems

If two substances A and B have p_A^0 : p_B^0 = 1: 2 and have mole fraction in solution 1: 2, then mole fraction of A in vapours is

Two liquids A and B have vapour pressure in the ratio P_(A)^(0):P_(B)^(0)=1:3 at a certain temperature . Assume A and B from an ideal solution and the ratio of mole fraction of A to B in the vapour phase is 4:3 . Then the mole fraction of B in the solution at the same temperature is :

P_A and P_B are the vapour pressure of pure liquid components. A and B, respectively of an ideal binary solution. If x_A represents the mole fraction of component A, the total pressure of the solution will be

In a mixture of closely related liquids (such as benzene and toluence), the Roult's law states that the ratio P_(A) is proportional to the mole fraction of A in the liquid, P_(A)x_(A) . Mixtures that obey the law throughout the composition ranges from pure A to pure B are called ideal solutions . In ideal solution the solute also obeys Roult's law . Then the total pressure is given by P_("total")=P_(A)^(0)x_(A)+P_(B)^(0)x_(B) Benzene and toluene froms nearly an ideal solution in which the mole fraction of the benzene is 0.4 . If v.p. of pure benzene is 40 mmHg and toluene is 30 mmHg at a given temperature , then what is the fraction of toluene in the vapour phase?

In a mixture of closely related liquids (such as benzene and toluence), the Roult's law states that the ratio P_(A) is proportional to the mole fraction of A in the liquid, P_(A)x_(A) . Mixtures that obey the law throughout the composition ranges from pure A to pure B are called ideal solutions . In ideal solution the solute also obeys Roult's law . Then the total pressure is given by P_("total")=P_(A)^(0)x_(A)+P_(B)^(0)x_(B) Each of the following solution obeys Raoult's law except

In a mixture of closely related liquids (such as benzene and toluence), the Roult's law states that the ratio P_(A) is proportional to the mole fraction of A in the liquid, P_(A)x_(A) . Mixtures that obey the law throughout the composition ranges from pure A to pure B are called ideal solutions . In ideal solution the solute also obeys Roult's law . Then the total pressure is given by P_("total")=P_(A)^(0)x_(A)+P_(B)^(0)x_(B) For the solution which obeys Roult's law , which of the following is incorrect ?

For an ideal solution of two components A and B, If x_A and y_A are mole fractions of component 'A' in solution and vapour phase respectively, then the slope of linear line in the graph drawn between 1//x_A and 1//y_A is

AAKASH SERIES-REVISION EXERCISE -COMPLEX COMPOUNDS
  1. If two substance A and B have PA: PB=1 : 2 and also XA : XB in solutio...

    Text Solution

    |

  2. In which of the following complexes the metal ion is in zero oxidation...

    Text Solution

    |

  3. Which of the following compounds is paramagnetic ?

    Text Solution

    |

  4. The complex K3[Fe(CN)6] should have a spin only magnetic moment of

    Text Solution

    |

  5. The pair of compounds having metals in their highest oxidation state i...

    Text Solution

    |

  6. Which of the following is diamagnetic

    Text Solution

    |

  7. Which one of the following sets correctly represents the increase in t...

    Text Solution

    |

  8. Which of the following represents chelating ligand?

    Text Solution

    |

  9. K3[CoF6] is high spin complex. What is the hybrid state of Co atom in ...

    Text Solution

    |

  10. Tetraaminecopper (II) ion is square planar complex with one unpaired e...

    Text Solution

    |

  11. The hybridisation of nickel in tetracarbonyl nickel is

    Text Solution

    |

  12. In the complex [Ni(H2O)2 (NH3)4]^(2+) the number of unpaired electron...

    Text Solution

    |

  13. Which of the following hybrid state is associated with low spin comple...

    Text Solution

    |

  14. {:("List I","List II"),("1) "sp^3,"A) Square planar"),("2) "dsp^2,"B) ...

    Text Solution

    |

  15. Some statements on [Co(NH3)6]^(3+) (a) oxidation number of Co is +3 ...

    Text Solution

    |

  16. The incorrect statement with respect to valence bond theory

    Text Solution

    |

  17. When ammonia is added to cupric salt solution, the deep blue colour fo...

    Text Solution

    |

  18. Both geometrical and optical isomerisms are shown by

    Text Solution

    |

  19. The hypothetical complex chlorodiaquatriam minecobalt (III) chloride c...

    Text Solution

    |

  20. Among [Ni(CO)4], [Ni(CN)4]^(-2) and [NiCl4]^(-2) species the hybrid...

    Text Solution

    |

  21. Which complex has square planar structure?

    Text Solution

    |