Home
Class 12
CHEMISTRY
Define molar depression constant...

Define molar depression constant

Text Solution

Verified by Experts

We know that, `DeltaT_(f)=K_(f)m`
If m = 1, then `DeltaT_(f)=K_(f)`
Therefore, molal depression constant is equal to the depression in freezing point for 1 molal solution.
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    OMEGA PUBLICATION|Exercise Multiple Choice Questions|56 Videos

  • SAMPLE QUESTION PAPER

    OMEGA PUBLICATION|Exercise QUESTION|116 Videos

  • SURFACE CHEMISTRY

    OMEGA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|78 Videos

Similar Questions

Explore conceptually related problems

Explain depression in freezing point. How depression in freezing point can be used to find molar mass of a non-volatile solute? Define molal depression constant.

If molality of the dilute solution is doubled, the value of molal depression constant K_f will be

A solution of 1 . 25 g of non eletrolyute solute in 20 g of water freezes at 271 . 94 K. Calculate the molecular mass of solute. The molal depression constant for water is K_(f) = 1 . 86 K//m

Define molar elevation constant.

Define molarity .

Molal freezing point depression constant is also called ..........

2g of benzoic acid ( C_6H_5COOH ) is dissolved in 25g of benzene show depression in freezing point equal to 1.62K. Molar depression constant for benzene, K_f =4.9K kg mol^-1 . What is percentage association of acid if it forms a dimer in solution?

1.00g of a non-electrolyte solute dissolved in 50g of benzene lowered the freezing point of benzene by 0.40K. The freezing point depression constant of benzene is 5.12K mol^-1 . Find the molar mass of the solute.

1 g of non - electrolyte solute (molar mass 250 g/mol) was dissolved in 5.12g of benzene. If the freezing point of depression constant, k_f of benzene is 5.12 K kg/mol, the freezing point of benzene will be lowered by

2.1 g of non-electrolyte solute (molar mass 250 g/mol) was dissolved in 5.12 g of benzene. If the freezing point of depression constant, k_f of benzene is 5.12 K kg/mol, Calculate the freezing point of benzene.

OMEGA PUBLICATION-SOLUTIONS-Multiple Choice Questions
  1. Define molar depression constant

    Text Solution

    |

  2. Calculate the number of electron, proton and neutron in phosphate ion ...

    Text Solution

    |

  3. Calculate the number of electron, proton and neutron in sulphate ion .

    Text Solution

    |

  4. Calculate the number of electron, proton and neutron in carbonate ion ...

    Text Solution

    |

  5. Units of molarity of

    Text Solution

    |

  6. For a molar solution of NaCl in water at 25^(@)C and 1 atm pressure sh...

    Text Solution

    |

  7. Partial pressure of a solution component is directly proportional to i...

    Text Solution

    |

  8. In a mixture, A and B compounds show negative deviation as

    Text Solution

    |

  9. Which of the following liquid pair shows positive deviation from Raoul...

    Text Solution

    |

  10. If liquid A and B form an ideal solution

    Text Solution

    |

  11. Which of the following is not correct for ideal solution?

    Text Solution

    |

  12. Very dilute solutions which show deviations (positive or negative) fro...

    Text Solution

    |

  13. Colligative properties of solutions are those which depend upon

    Text Solution

    |

  14. Which of the following is a colligative property?

    Text Solution

    |

  15. Which of the following is not a colligative property?t

    Text Solution

    |

  16. The temperature at which the vapour pressure of a liquid becomes equal...

    Text Solution

    |

  17. The molecular mass of a solute cannot be calculated by one of the foll...

    Text Solution

    |

  18. Which of the following is correctly matched ?

    Text Solution

    |

  19. If the elevation in boiling point of a solution of 10 gm of solute (mo...

    Text Solution

    |

  20. Molal depression constant is calculated from the enthalpy of fusion (D...

    Text Solution

    |

  21. The depression in freezing point is directly proportional to

    Text Solution

    |