Home
Class 12
CHEMISTRY
When the vapour pressure of solutions of...

When the vapour pressure of solutions of two liquids are less than those expected from idea solutions, they are said to show:

A

Positive deviations from ideal behaviour

B

Negative deviations from ideal behaviour

C

Positive deviations for lower concentrations and negative deviations for higher concentration

D

NONE

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    MODERN PUBLICATION|Exercise PROBLEM|3 Videos
  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|225 Videos

Similar Questions

Explore conceptually related problems

The vapour pressure of a solution is proportional to:

Vapour pressure of solvent is ____ than solution.

The vapour pressure of a dilute solution of a solute is not influenced by :

When temperature increases vapour pressure of liquid –

At 40^@C the vapour pressures 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 two liquids, assuming the ideal solution should be:

MODERN PUBLICATION-SOLUTIONS-EXERCISE
  1. In which of the following the van.t Hoff Factor (i) is equal to one ?

    Text Solution

    |

  2. A maxima or minima obtained in the temperature, composition curve of a...

    Text Solution

    |

  3. When the vapour pressure of solutions of two liquids are less than tho...

    Text Solution

    |

  4. The natural semipermiable membrane is:

    Text Solution

    |

  5. The osmotic pressure of a solution increases if,

    Text Solution

    |

  6. Just after slow crystallisation the solution in contact with the cryst...

    Text Solution

    |

  7. The van't Hoff factor (i) for a dilute solution of K3[Fe(CN)6] is:

    Text Solution

    |

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

    Text Solution

    |

  9. Which compound corresponds van.t Hoff factor (i) to be equal to 2 in d...

    Text Solution

    |

  10. The plant cells will shrink when placed in

    Text Solution

    |

  11. A solution of sulphuric acid in water exhibits:

    Text Solution

    |

  12. A substance will be deliquescent if its vapour pressure is:

    Text Solution

    |

  13. The process of getting freshwater from sea water is known as:

    Text Solution

    |

  14. Saturated solution of NaCl on heating becomes:

    Text Solution

    |

  15. A super saturated solution is a metastable state of solution in which ...

    Text Solution

    |

  16. The molal cryoscopic constant for water is:

    Text Solution

    |

  17. An aqueous solution is heated until it begins to boil. The atmospheric...

    Text Solution

    |

  18. The spontaneous movement of solute particles from a more concentrated ...

    Text Solution

    |

  19. At a suitable pressure near the freezing point of ice, there exists:

    Text Solution

    |

  20. With increase of altitude, the boiling point of water (increase,decrea...

    Text Solution

    |