Home
Class 12
CHEMISTRY
The depression of freezing point of a so...

The depression of freezing point of a solution of acetic acid in benzene is – 0.2°C. If the molality of acetic acid is 0.1 m, then find the ratio of the normal mass to the abnormal mass. (Assume Kf of acetic acid = 4.0°C m-1)

A

1.5

B

0.5

C

0.8

D

0.2

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 36

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|30 Videos
  • MOCK TEST 38

    AAKASH INSTITUTE ENGLISH|Exercise Example|30 Videos

Similar Questions

Explore conceptually related problems

The density of a 1M solution of acetic acid in water is 2g/mL. The molality of the solution is

Density of a 2.05 M solution of acetic acid in water is 1.02 g/mL. The molality of the solution is:

The hydrogen ion concentration of 0.1 M solution of acetic acid, which is 20% dissociated, is

The freezing point of 0.20 M solution of week acid HA is 272.5 K . The molality of the solution is 0.263 "mol" kg^(-1) . Find the pH of the solution on adding 0.25 M sodium acetate solution. K_(f) of water = 1.86 K m^(-1)

The freezing point depression of 0.1 molal solution of acetic acid in benzene is 0.256 K , K_(f) for benzene is 5.12 K Kg mol^(-1) . What conclusion can you draw about the molecular state of acetic acid in benzence ?

The degree of dissociation of acetic acid in a 0.1 M solution is 1.0xx10^(-2) . The pK_(a) of acetic acid value.

Calculate the percentage ionization of 0.01 M acetic acid in 0.1 M HCI. K_a of acetic acid is 1.8 xx 10^(-5)

Determination of the molar mass of acetic acid in benzene using freezing point depression is affected by :

The freezing point of a solution containing of 0.2g of acetic acid in 20.0g of benzene is lowered 0.45^(@)C . Calculate. (i) the molar mass of acetic acid from this data (ii) Van't Hoff factor [For benzene, K_(f)=5.12K kg "mol"^(-1) ] What conclusion can you draw from the value of Van't Hoff factor obtained ?

The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid, and trifluoroacetic acid increases in the order given above. Explain briefly.

AAKASH INSTITUTE ENGLISH-MOCK TEST 37-Exercise
  1. The van't Hoff factor of BaCl2 at 0.01 M concentration is 1.98. The pe...

    Text Solution

    |

  2. n-Butyl bromide has higher boiling point than t-butyl bromide.

    Text Solution

    |

  3. The depression of freezing point of a solution of acetic acid in benze...

    Text Solution

    |

  4. The incorrect statement for aldehydes and ketones is

    Text Solution

    |

  5. The shape of the intermediate formed In nucleophilic addilion reaction...

    Text Solution

    |

  6. Ketones are generally less reactive than Aldehydes in nucleophilic add...

    Text Solution

    |

  7. Acetic acid associates as dimers in benzene. What is the Van’t Hoff fa...

    Text Solution

    |

  8. The pH of a 2 M solution of a weak monobasic acid (HA) is 4. What is t...

    Text Solution

    |

  9. In the given reaction, product formed is CH3CHO+HCN⟶CH3CH(OH)CN

    Text Solution

    |

  10. State true or false : red phosphorus less reactive than white phosphor...

    Text Solution

    |

  11. Which of the following conditions are satisfied when the cell reaction...

    Text Solution

    |

  12. What is the EMF of a galvanic cell if E°cathode = 0.80 volts and E°ano...

    Text Solution

    |

  13. Tollen's reagent is

    Text Solution

    |

  14. What is the standard reduction potential of the cathode of a galvanic ...

    Text Solution

    |

  15. What is the EMF of a galvanic cell if the standard reduction potential...

    Text Solution

    |

  16. Who invented the galvanic cell?

    Text Solution

    |

  17. Calculate the e.m.f. of the half-cell given below. Pt, H2 | HCl at 1-a...

    Text Solution

    |

  18. What is the EMF of a galvanic cell if the standard oxidation potential...

    Text Solution

    |

  19. The standard oxidation potential of Ni/Ni2+ electrode is 0.3 V. If thi...

    Text Solution

    |

  20. Equal amount of aqueous solution of CuSO4 and alkaline sodium potassiu...

    Text Solution

    |