Home
Class 12
CHEMISTRY
Pure water freezes at 273 K and 1 bar. T...

Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethanol to 500 g of water changes the freezing point of the solution. Use the freezing point depression constant of water as 2 K `kg mol^(-1).` The figures shown below represent plots of vapour pressure (V.P.) versus temperature (T). [molecular weight of ethanol is` 46 g mol^(-1)` Among the following, the option representing change in the freezing point is

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LIQUID SOLUTION

    MOTION|Exercise EXERCISE-4 (Level-I) PREVIOUS YEAR JEE MAIN|30 Videos

  • ISOMERISM

    MOTION|Exercise Exercise 4|26 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - II)|17 Videos

Similar Questions

Explore conceptually related problems

45 g of ethylene glycol (C_(2) H_(6)O_(2)) is mixed with 600 g of water. The freezing point of the solution is (K_(f) for water is 1.86 K kg mol^(-1) )

1.0 g of non-electrolyte solute dissolved in 50.0 g of benzene lowered the freezing point of benzene by 0.40 K . The freezing point depression constant of benzene is 5.12 kg mol^(-1) . Find the molecular mass of the solute.

The freezing point of an aqueous solutions is 272 .93 K . Calculate the molality of the solution if molal depression constant for water is 1.86 Kg mol^(-1)

How much amount of NaCl should be added to 600 g fo water (varphi =1.00 g//mL) to decrease freezing point of water to -0.2^(@)C ? ___________________. (The freezing point depression constant for water =2K kg "mol"^(-1) )

A solution containing 8.0 g of nicotine in 92 g of water-frezes 0.925 degrees below the normal freezing point of water. If the freezing point depression constant K_(f) = -1.85^(@)C mol^(-1) then the molar mass of nicotine is -

MOTION-LIQUID SOLUTION-EXERCISE-4 (Level-II) PREVIOUS YEAR JEE ADVANCED
  1. 1.22 g of benzoic acid is dissolved in (i) 100g acetone (K(b) for acet...

    Text Solution

    |

  2. The elevation in boiling point, when 13.44 g of freshly prepared CuCI(...

    Text Solution

    |

  3. 72.5g of phenol is dissolved in 1kg of a solvent (k(f) = 14) which lea...

    Text Solution

    |

  4. When 20 g of naphthoic acid (C(11)H(8)O(2)) is dissolved in 50 g of be...

    Text Solution

    |

  5. The freezing point of the solution M is

    Text Solution

    |

  6. The vapour pressure of the solution M is

    Text Solution

    |

  7. Water is added to the solution M such that the mole fraction of water ...

    Text Solution

    |

  8. The Henry's law constant for the solubility of N(2) gas in water at 29...

    Text Solution

    |

  9. The freezing point (in .^(@)C) of a solution containing 0.1g of K(3)[F...

    Text Solution

    |

  10. For a dilute solution containing 2.5 g of a non-volatile non-electroly...

    Text Solution

    |

  11. Benzene and naphthalene form an ideal solution at room temperature. Fo...

    Text Solution

    |

  12. MX(2) dissociates into M^(2+) and X^(ө) ion in an aqueous solution, wi...

    Text Solution

    |

  13. A compound H(2)X with molar weigth of 80g is dissolved in a solvent ha...

    Text Solution

    |

  14. If the freezing point of a 0.01 molal aqueous solution of a cobalt (II...

    Text Solution

    |

  15. Mixture (s) showing positive deviation from Raoult's law at 35^(@)C is...

    Text Solution

    |

  16. For a solution formed by mixing liquids L and M, the vapour pressure o...

    Text Solution

    |

  17. Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethan...

    Text Solution

    |

  18. The plot given below shows P -T curves (where P is the pressure and T ...

    Text Solution

    |

  19. Liquids A and B form ideal solution over the entire range of compositi...

    Text Solution

    |