Home
Class 12
CHEMISTRY
The vapour pressure of benzene at a cert...

The vapour pressure of benzene at a certain temp. is 640 mm Hg. A non-volatile-non-electrolyte and weighing 2.175 g is added to 39.0 g of benzene. The vapour pressure of the solution is 600 mm Hg. What is the molecular weight of the solid substance ?

A

6.96

B

65.3

C

63.8

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • LIQUID SOLUTION

    MOTION|Exercise EXERCISE-3 SUBJECTIVE JEE ADVANCED|40 Videos

  • LIQUID SOLUTION

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

  • LIQUID SOLUTION

    MOTION|Exercise EXERCISE-2 (LEVEL -I) OBJECTIVE PROBLEMS JEE MAIN|53 Videos

  • ISOMERISM

    MOTION|Exercise Exercise 4|26 Videos

  • METALLURGY

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

Similar Questions

Explore conceptually related problems

The vapour pressure of pure benzene at a certain temperature is 640 mm og Hg . A non-volatile non-electrolyte solid weighing 2.175 g added 39.0 g of benzene. The vapour pressure of the solution is 600 mm of Hg . What is the molecular weight of solid substance?

The vapour pressure of benzene at a certain temperature is 640 mm of Hg A non-volatile and non-electrolyte solid weighing 2.175g is added to 39.08g of benzene .the vapour pressure of the solution is 600 mm of Hg. What is the molecular weight of solid substance ?

The vapour pressure of pure benzene at a certain temperature is 640 mm of Hg. A non volatile nonelectrolyte solid weight 0.175 g is added to 39.0 benzene. The Vapour pressure of the solution is 600 mm of Hg. What is molecular weight of solid substance?

The vapour pressure of benzene at a certain temperature is 640 mm Hg . A non-volatile and non-electrolyte soild weighing 2.175 g is added to 39.08 g of benzene. If the vapour pressure of the solution is 6 mmHg . What is the molecular mass of solid substance?

The vapour pressure of pure benzene at a certain temperature is 640 mm Hg . A non-volatile solid weighing 2.175g is added to 39.0g of benzene. The vapour pressure of the solution is 600mm Hg . What is the molar mass of the solid substance?

MOTION-LIQUID SOLUTION-EXERCISE-2 (LEVEL -II) MULTIPLE CORRECT JEE ADVANCED
  1. Statement - I. Benzene-toluene mixture forms ideal solution. Statem...

    Text Solution

    |

  2. Statement - I. Dissolution of sulphuric acid in water gives a solution...

    Text Solution

    |

  3. Statement - I. Greater the molal depression constant of the solvent us...

    Text Solution

    |

  4. Statement - van't Hoff factor for electrolytes is always greater tha...

    Text Solution

    |

  5. Statement - The vapour pressure of 0.1 M sugar solution is more tha...

    Text Solution

    |

  6. Statement - I. Blood cells are isotonic with 0.16 M NaCl solution. ...

    Text Solution

    |

  7. Statement - I. Molarity of the solution changes with temperature. S...

    Text Solution

    |

  8. Statement-1 : The freezing of water is an endothermic process. State...

    Text Solution

    |

  9. Statement-1 : Addition of ethylene glycol (non-volatile) to water lowe...

    Text Solution

    |

  10. Column I (A) Ideal solution (B) Solutions showing positive deviati...

    Text Solution

    |

  11. Column I (A) DeltaH"mix"=0 (B) DeltaT"f"//"molarity" (C) (n-1)al...

    Text Solution

    |

  12. When mercuric iodide is added to the aqueous solution of potassium iod...

    Text Solution

    |

  13. A sugar syrup of weight 214.2 grams contains 34.2 grams of sugar. The ...

    Text Solution

    |

  14. The vapour pressure of benzene at a certain temp. is 640 mm Hg. A non-...

    Text Solution

    |

  15. The vapour pressure of solution containing 5 g of non-electrolyte in 9...

    Text Solution

    |

  16. Increasing the temperature of an aqueous solution will cause -

    Text Solution

    |

  17. The molecular weight of benzoic acid in benzene as determined by depre...

    Text Solution

    |

  18. Azeotropes are

    Text Solution

    |

  19. 0.2 molal acid HX is 20% ionised in solution K"f" = 1.86 K "molality"^...

    Text Solution

    |

  20. Consider following vapour pressure composition graph. Hence-

    Text Solution

    |