Home
Class 12
CHEMISTRY
If K(f) for water is 1.86° C/m, explain ...

If `K_(f)` for water is 1.86° C/m, explain why 1 m `NaCl` in water does not have a freezing point equal to - 1.86°C but equal to - 3.72°C.

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

Out of 1 m urea solution and 1m NaCl solution which has higher freezing point ?

3g urea is dissolved in 100ml water. Find the freezing point of solution ( K_f = 1.86k kg mol_(-1) )

Calculate the molality of KCl solution in water if its freezing point is 271k ( K_f = 1.86k kg mol_(-1) )

Which of the following 0.1 M aqueous solutions will have the lowest freezing point :

Explain why C Cl_4 and water are immisible where as ethanol and water are missible in all proportions.

MODERN PUBLICATION-SOLUTIONS-EXERCISE
  1. Why is an increase in temperature observed on mixing chloroform with a...

    Text Solution

    |

  2. What happens when blood is placed in pure water ?

    Text Solution

    |

  3. If K(f) for water is 1.86° C/m, explain why 1 m NaCl in water does not...

    Text Solution

    |

  4. Why is the boiling point of a solution always higher than that of a pu...

    Text Solution

    |

  5. Distinguish between diffusion and osmosis.

    Text Solution

    |

  6. Define Van't Hoff factor.

    Text Solution

    |

  7. Concentrated nitric acid used in the laboratory work is 68% nitric aci...

    Text Solution

    |

  8. What role does the molecular interactions play in solution of alcohol ...

    Text Solution

    |

  9. The vapour pressure of water is 12.3 kPa at 300 K. Calculate the vapou...

    Text Solution

    |

  10. Vapour pressure of water at 293 K is 17.535 mm Hg. Calculate the vapou...

    Text Solution

    |

  11. A 1.00 molal aqueous Solution of trichloroacetic acid (C Cl(3)COOH) is...

    Text Solution

    |

  12. How will you determine the molecular mass of a substance from osmotic ...

    Text Solution

    |

  13. Give two limitations of Raoult's law.

    Text Solution

    |

  14. Sodium chloride solution freezes at a lower temperature but boils at a...

    Text Solution

    |

  15. What are antifreeze solutions ? Which substance is commonly used as an...

    Text Solution

    |

  16. A solution is made by dissolving 30 g of a non-volatile solute in 90 g...

    Text Solution

    |

  17. Calculate the temperature at which a solution containing 54 g of gluco...

    Text Solution

    |

  18. Calculate the amount of KCI which must be added to 1 kg of water so th...

    Text Solution

    |

  19. State Raoult's law. How is the molecular mass of a solute determined f...

    Text Solution

    |

  20. A solution contains 72% water d 28% methyl alcohol. Calculate the mole...

    Text Solution

    |