Home
Class 12
CHEMISTRY
If solution prepared by adding 6.1 gm of...

If solution prepared by adding 6.1 gm of benzoic acid in 500 gm benzene is freeze at `-0.290^(@)C`. Then find out association percentage ? (`K_(f)` of water `= 5.52^(@)K` kg/mol.)

Text Solution

Verified by Experts

The correct Answer is:
`95%`
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    KUMAR PRAKASHAN|Exercise SECTION - B INTEX QUESTIONS AND ANSWERS|13 Videos

  • SOLUTIONS

    KUMAR PRAKASHAN|Exercise SECTION - C TEXTUAL EXERCISE|44 Videos

  • SOLUTIONS

    KUMAR PRAKASHAN|Exercise SECTION - A QUESTIONS (SELF - PRACTICE QUESTIONS)|37 Videos

  • SAMPLE QUESTION PAPER

    KUMAR PRAKASHAN|Exercise [PART-B] SECTION - C|2 Videos

  • SURFACE CHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs asked in GUJCET/Board Exams)|52 Videos

Similar Questions

Explore conceptually related problems

A solution containing 0.85 g of ZnCI_(2) in 125.0g of water freezes at -0.23^(@)C . The apparent degree of dissociation of the salt is: (k_(f) for water = 1.86 K kg mol^(-1) , atomic mass, Zn = 65.3 and CI = 35.5)

Calculate the boiling point of a solution containing 0.61 g of benzoic acid in 50 g of carbon disulphide assuming 84% dimerization of the acid. The boiling point and K_(b) of CS_(2) are 46.2^(@)C and 2.3 kg mol^(-1) .

A solution containing 0.11kg of barium nitrate in 0.1kg of water boils at 100.46^(@)C . Calculate the degree of ionization of the salt. K_(b) (water) = 0.52 K kg mol^(-1) .

A 0.01m aqueous solution of K_(3)[Fe(CN)_(6)] freezes ar -0.062^(@)C . What is the apparent percentage of dissociation? [K_(f) for water = 1.86]

What mass of NaCI ("molar mass" =58.5g mol^(-1)) be dissolved in 65g of water to lower the freezing point by 7.5^(@)C ? The freezing point depression constant, K_(f) , for water is 1.86 K kg mol^(-1) . Assume van't Hoff factor for NaCI is 1.87 .

The freezing point of ether was lowered by 0.60^(@)C on dissolving 2.0g of phenol in 100g of ether. Calculate the molar mass of phenol and comment on the result. Given: K_(f) (ether) = 5.12 K kg mol^(-1) .

KUMAR PRAKASHAN-SOLUTIONS -SECTION - A QUESTIONS (TRY YOURSELF)
  1. Calculate K(H) when 2 milimoles of O(2) dissolve in 540 mL of water at...

    Text Solution

    |

  2. The vapour pressure of benzene and toluene are 0.9 and 0.85 respective...

    Text Solution

    |

  3. The vapour pressure of ethanol and methanol at 298 K is 44.5 mm and 88...

    Text Solution

    |

  4. For two volatile liquid A and B if the vapour pressure ratio of P(A)^(...

    Text Solution

    |

  5. Mole of Chlorobenzene and bromo benzene is 0.1 and 0.2 respectively. T...

    Text Solution

    |

  6. Calculate freezing point of solution prepared by dissolving 1.8 gm glu...

    Text Solution

    |

  7. If freezing point of 5% w/w aqueous solution of sucrose has 271 K and ...

    Text Solution

    |

  8. When 0.01 mol sodium sulphate is dissolve in 1 kg of water then comple...

    Text Solution

    |

  9. The aqueous solution of urea has freezing point -0.6^(@)C. To prepare ...

    Text Solution

    |

  10. Calculate osmotic pressure of solution which is prepared by dissolving...

    Text Solution

    |

  11. At which temperature 0.006 % w/V urea solution has osmotic pressure 0....

    Text Solution

    |

  12. If 5% sugar solution is isotomic with 1% solution of unknown substance...

    Text Solution

    |

  13. Find out osmotic pressure of 12 % w/V KCl solution at 27^(@)C.

    Text Solution

    |

  14. Find out osmotic pressure of 0.2 M solution of glucose at 300 K.

    Text Solution

    |

  15. If solution have osmotic pressure of 0.82 bar at 27^(@)C, then find ou...

    Text Solution

    |

  16. When 1.0 gm of KCl is dissolved in 200 gm water, the decrease in freez...

    Text Solution

    |

  17. If solution prepared by adding 6.1 gm of benzoic acid in 500 gm benzen...

    Text Solution

    |

  18. 3xx10^(-3) kg acetic acid is added into 500 cm^(3) water. If dissociat...

    Text Solution

    |

  19. 1.7920 gm K(2)SO(4) is present in 1000 mL of solution. If such solutio...

    Text Solution

    |

  20. When 1.5 gm phenol is disolved in 100 gm of toluene, decrease in freez...

    Text Solution

    |