Home
Class 12
CHEMISTRY
A solution is obtained by dissolving 0.2...

A solution is obtained by dissolving 0.2 moles of urea in a litre water. Another solution is obtained by dissolving 0.4 moles of sugar in a litre of water at the same temperature. The lowering of vapour pressure to the first solution is.

A

Same as that of the second solution

B

Half to that of the second solution

C

Double to that of the second solution

D

None

Text Solution

Verified by Experts

The correct Answer is:
B

lowering of vapour pressure depends on numbers of moles of solute
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS & COLLIGATIVE PROPERTIES

    NARAYNA|Exercise EXERCISE : 2 (H.W)|59 Videos
  • SOLUTIONS & COLLIGATIVE PROPERTIES

    NARAYNA|Exercise EXERCISE : 3|49 Videos
  • SOLUTIONS & COLLIGATIVE PROPERTIES

    NARAYNA|Exercise EXERCISE : 1 (H.W)|29 Videos
  • SOLID STATES

    NARAYNA|Exercise EXERCISE-4|18 Videos
  • SURFACE CHEMISTRY

    NARAYNA|Exercise EXERCISE - 4|22 Videos

Similar Questions

Explore conceptually related problems

A solution is obtained by dissolving 12g of urea(mol.wt.60)in a litre of water.Another solution is obtained by dissolving 68.4g of cane sugar (mol.wt.342) in a litre of water at are the same temperature .The lowering of vapour pressure in the first solution is

The molarity of solution obtained by dissolving 0.01 moles of NaCl in 500 ml of solution is

When sodium chloride is dissolved in water the solution obtained is

2.0 molar solutioin is obtained when 0.5 mole solute is dissolved in

NARAYNA-SOLUTIONS & COLLIGATIVE PROPERTIES -EXERCISE : 2 (C.W)
  1. H(2)S, a toxic gas with rotten egg like smell, is used for the qualita...

    Text Solution

    |

  2. Henry's law constant for CO(2) in water is 1.67xx10^(8) Pa at 298 K. ...

    Text Solution

    |

  3. A solution is obtained by dissolving 0.2 moles of urea in a litre wate...

    Text Solution

    |

  4. 3 gms of urea is added to 36 gms of boiling water. How much lowering i...

    Text Solution

    |

  5. Which of the following solutions have more relative lowering in vapour...

    Text Solution

    |

  6. The vapour pressure of methanol at certain temperature is 1 atm. By ad...

    Text Solution

    |

  7. The vapour pressure of water at 23^(@)C is 19.8 mm of Hg 0.1 mol of gl...

    Text Solution

    |

  8. Which of the following will have highest boiling point at 1 atm pressu...

    Text Solution

    |

  9. The rise in the boiling point of a solution containing 1.8 g of glucos...

    Text Solution

    |

  10. The boiling point of 0.1 mK(4)[Fe(CN)6] is expected to be (K(b) for wa...

    Text Solution

    |

  11. Molal elevation constant and molal depression constant of water respec...

    Text Solution

    |

  12. Which of the following solutions will have the highest boiling point

    Text Solution

    |

  13. The boiling a point of benzene is 353.23K. When 1.80 g of a non-volati...

    Text Solution

    |

  14. What is the b.p of an aquoues solution whose freezing point is -2.48^(...

    Text Solution

    |

  15. Which of the following 0.10 M aqueous solution will have the lowest fr...

    Text Solution

    |

  16. Which of the following aqueous solution will have highest depression i...

    Text Solution

    |

  17. Calculate the molal depression constant of a solvent which has freezin...

    Text Solution

    |

  18. Calculate the mass of ascorbic acid ( Vitamin C,C(6)H(8)O(6)) to be di...

    Text Solution

    |

  19. 200cm^(3) of an aqueous solution contains 1.26g of a polymer. The osmo...

    Text Solution

    |

  20. The osmotic pressure of a solution of an organic substance containing ...

    Text Solution

    |