Home
Class 12
CHEMISTRY
The freezing poing of an aqueous solutio...

The freezing poing of an aqueous solution of a non-electrolyte is `-0.14^(@)C`. The molarity of this solution is `[K_(f) (H_(2)O) = 1.86 kg mol^(-1)]`:

A

`1.86m`

B

`1.00m`

C

`0.15m`

D

`0.075m`

Text Solution

Verified by Experts

The correct Answer is:
D
`0.14 = 1.86 xx m`
`m = 0.075`
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    ALLEN|Exercise EXERCISE-03|22 Videos

  • SOLUTIONS

    ALLEN|Exercise EXERCISE-04 [A]|17 Videos

  • SOLUTIONS

    ALLEN|Exercise EXERCISE -01|53 Videos

  • S-BLOCK ELEMENTS

    ALLEN|Exercise EXERCISE -3|1 Videos

  • Some Basic Concepts of Chemistry (Mole concept)

    ALLEN|Exercise All Questions|39 Videos

Similar Questions

Explore conceptually related problems

The boiling point of an aqueous solution of a non - electrolyte is 100.52^@C . Then freezing point of this solution will be [ Given : k_f=1.86 " K kg mol"^(-1),k_b=0.52 "kg mol"^(-1) for water]

Elevation in boiling point of an aqueous solution of a non-electroluyte solute is 2.01^(@) . What is the depression in freezing point of the solution ? K_(b)(H_(2)O)=0.52^(@)mol^(-1)kg K_(f)(H_(2)O)=1.86^(@)mol^(-1)kg

The freezing point of an aqueous solution of non-electrolyte having an osmotic pressure of 2.0 atm at 300 K will be, (K_(f) "for " H_(2)O = 1.86K mol^(-1)g) and R = 0.0821 litre atm K^(-1) mol^(-1) . Assume molarity and molality to be same :

The freezing point of a 0.05 molal solution of a non-electrolyte in water is [K_(f)=1.86K//m]

1.0 molal aqueous solution of an electrolyte X_(3)Y_(2) is 25% ionized. The boiling point of the solution is (K_(b) for H_(2)O = 0.52 K kg//mol) :

The freezing point of a 1.00 m aqueous solution of HF is found to be -1.91^(@)C . The freezing point constant of water, K_(f) , is 1.86 K kg mol^(-1) . The percentage dissociation of HF at this concentration is:-

ALLEN-SOLUTIONS-EXERCISE -02
  1. For an ideal solution containing a nonvolatile solute, which of the fo...

    Text Solution

    |

  2. For a dilute solution containing a nonvolatile solute, the molar mass ...

    Text Solution

    |

  3. For a silute solution containing a nonvolatile solute, the molar mass ...

    Text Solution

    |

  4. An aqueous solution of acetone, CH(3)COCH(3) is 10.00% acetone by weig...

    Text Solution

    |

  5. The freezing poing of an aqueous solution of a non-electrolyte is -0.1...

    Text Solution

    |

  6. P(A)=(235y -125xy)mm of HgP(A) is partial pressure of A,x is mole frac...

    Text Solution

    |

  7. Of the following measurements the one most suitable for the determinat...

    Text Solution

    |

  8. The vapour pressure of pure benzeen at 50^(@)C is 268 torr. How many m...

    Text Solution

    |

  9. If P^(@) the vapour pressure of a pure solvent and P is the vapour pre...

    Text Solution

    |

  10. Dry air was passed successively through a solution of 5g of a solute i...

    Text Solution

    |

  11. The relative lowering of vapour pressure is equal to the ratio between...

    Text Solution

    |

  12. The vapour pressure of pure liquid solvent A is 0.80atm.When a non vol...

    Text Solution

    |

  13. Which of the following plots represents an ideal binary mixture?

    Text Solution

    |

  14. The lowering of vapour pressure in a saturated aq. Solution of salt AB...

    Text Solution

    |

  15. Which of the following represents correcty the changes in thermodynami...

    Text Solution

    |

  16. FeCI(3) on reaction with K(4)[Fe(CN)(6)] in aqueous solution gives blu...

    Text Solution

    |

  17. A liquid mixtue having composition corresponding to point z in the fig...

    Text Solution

    |

  18. The following graph represents variation of boiling point with composi...

    Text Solution

    |

  19. Which of the following is correct for a non-ideal solution of liquids ...

    Text Solution

    |

  20. Acetone and carbon disulphide form binary liquid solution showing pos...

    Text Solution

    |