Home
Class 12
CHEMISTRY
The expression in freezing point of a 0....

The expression in freezing point of a 0.1 molal solution of a substance is `0.372^@`C. what can you say about the solute? `(K_f` for water is `1.86 K kg mol^(-1))`

Promotional Banner

Topper's Solved these Questions

  • PREVIOUS YEAR QUESTION 2020

    USHA PUBLICATION|Exercise PREVIOUS YEAR QUESTION |42 Videos

Similar Questions

Explore conceptually related problems

The depression in freezing point of a 0.1 molal solution of benzoic acid in benzene is 0.256K. (K_f for benzene =5.12K kg mol^(-1) ) . Calculate the value of van’t Hoff factor and predict whether benzoic acid is associated or dissociated.

The freezing points of a 0.05 molal solution of a non-electrolyte in water is: (K, = 1.86 K molality^-1 )

0.48g of a non volatile solute was dissolved in 10.6g benzene. The freezing point of the solution was lowered by 1.8^@ C. calculate molecular mass of the salute ( K_f for benzene is 5kgmol^(-1) )

15 gm of a substance dissolved in 450 gms of water produces a depression of -0.34^@ C in the freezing point . Calulation the Mol. Wt. of the solid ( K_f for water is 1.86 K kg mol ^(-1) )

Calculate the frezing point of an aqueous solution containing 10.5g of MgBr_2 in 200 g water. (Mol. Mass of MgBr_2=184 and K_1 for water =1.80 K kg mol^(-1))

The freezing point depression of 0.1 molal solution of acetic acid in benzene is 0.256 K kg mol^(-1) .Kf for benzene is 5.12 K kg Mol^(-1) . What conclusion can you draw about the molecular state of acetic acid in benzene.

Molal depression constant for water is 1.86^@C. The freezing point of a 0.05 molal solution of a non electrolyte in water is:

USHA PUBLICATION-SOLID STATE-EXERCISE
  1. A solution of urea in water has a boiling point of 100.128^@C. calcula...

    Text Solution

    |

  2. Between sea water and drinking water which will freeze at lower temper...

    Text Solution

    |

  3. A solution of sucrose (mol.mass=342) was prepared by dissolving 34.2g ...

    Text Solution

    |

  4. How much urea is to be added to 500g water so that it will boil at 374...

    Text Solution

    |

  5. Dissolution of 10g solute in 100g benzene increases its boiling point ...

    Text Solution

    |

  6. 0.1 mol sugar was dissolved in 1 Kg water, and depression in freezing ...

    Text Solution

    |

  7. A 5% aqueous solution of sucrose is isotonic with 3% aqueous solution ...

    Text Solution

    |

  8. A 5% aqueous solution of mass of cane sugar (mw=342) has freezing poin...

    Text Solution

    |

  9. The depression in freezing point of a 0.1 molal solution of benzoic ac...

    Text Solution

    |

  10. The expression in freezing point of a 0.1 molal solution of a substanc...

    Text Solution

    |

  11. What do you mean by elevation in boiling point ?

    Text Solution

    |

  12. Derive the relationship between elevation in boiling point and molar m...

    Text Solution

    |

  13. Addition of 1.5g of a non-volatile solute in 90g benzene increases i...

    Text Solution

    |

  14. What do you mean by depression in freezing point? Show that depression...

    Text Solution

    |

  15. What do you mean by depression in freezing point? Show that depression...

    Text Solution

    |

  16. 1g of a non-electrolyte when dissolved in 50g benzene, the freezing po...

    Text Solution

    |

  17. Which of the following methods can not be used to determine the molecu...

    Text Solution

    |

  18. What are azeotropes? Give an example.

    Text Solution

    |

  19. What are non-ideal solutions ? Describe graphically the non-ideal solu...

    Text Solution

    |

  20. 1.8% Nacl solution is isotonic with 10.8% solution of glucose (mol. ma...

    Text Solution

    |