Home
Class 12
CHEMISTRY
At 40^@C, the vapour pressures (in torr)...

At `40^@C,` the vapour pressures (in torr) of methyl alcohol (A) and ethyl alcohol (B) solution is represented by: `P=120X_A + 138,` where `X_A` is mole-fraction of methyl alcohol, then the value of `lim X_A rarr 0 P_B^@/X_B` and `lim X_B rarr 0 P_A^@/X_A` are:

A

138, 258

B

258, 138

C

120, 138

D

138, 125

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    MBD PUBLICATION|Exercise QUESTION BANK|518 Videos

  • SOME P-BLOCK ELEMENTS

    MBD PUBLICATION|Exercise QUESTION BANK|545 Videos

Similar Questions

Explore conceptually related problems

At 40^@C the vapour pressures in torr, of methyl alcohol ethyl alcohol solutions is represented by the equation. P=119X_A + 135, where X_A is mole-fraction of methyl alcohol, then the value of lim_(X_(Ararr1)) P_A/X_A is:

The vapour pressure of water at 25°C is 23.755 torr and the vapour pressure of a solution containing 5g of solute X in 100 g of water is 23.402 torr. Calculate the molar mass of X.

How is vapour pressure (p_(1)) of a solution of a non­volatile solid in liquid related to the mole fraction (x_(1)) of the solvent ?

If the equation of x-axis is x/a=(y-d)/(b)=z/c , what is the value of a,b,c,d?

Find the value of a if, lim_(xto0)(e^(ax)-e^x)/x=2

Find the value of a if, lim_(xto0)(tanax)/(sin2x)=1

Write the value of int_0^1{x}dx where {x} stands for fractional part of x.

MBD PUBLICATION-SOLUTIONS-QUESTION BANK
  1. A substance is completely trimerised on dissolution in a solvent. The ...

    Text Solution

    |

  2. van.t Hoff factor for a dilute solution of sodium argento cyanide is:

    Text Solution

    |

  3. At 40^@C, the vapour pressures (in torr) of methyl alcohol (A) and eth...

    Text Solution

    |

  4. The use of common salts, e.g., NaCl or CaCl2 anhydrous is made to clea...

    Text Solution

    |

  5. A liquid is kept in a closed vessel. If a glass plate (negligible mass...

    Text Solution

    |

  6. In which of the following molecular weight determination methods, sens...

    Text Solution

    |

  7. Who was awarded Nobel Prize for chemistry in 1901 for discovering laws...

    Text Solution

    |

  8. When crystal of the solute is introduced into a super saturated soluti...

    Text Solution

    |

  9. Vapour pressure of a solution containing non-volatie solute is:

    Text Solution

    |

  10. The relative lowering of vapour pressure is equal to the mole fraction...

    Text Solution

    |

  11. which of the following will have highest osmotic pressure:

    Text Solution

    |

  12. When a solution is separated from a solvent by semipermeable membrane,...

    Text Solution

    |

  13. When a substabce is dissolved in a solvent, the vapour pressure of sol...

    Text Solution

    |

  14. If a thin slice of sugar beet is placed in concentrated solution of Na...

    Text Solution

    |

  15. The temperature at which vapour pressure of a solvent in its liquid an...

    Text Solution

    |

  16. As a result of osmosis, the volume of the concentrated solution:

    Text Solution

    |

  17. The osmotic, pressure of a solution can be accurately measure in the s...

    Text Solution

    |

  18. Dissolution of a solute is an exothermic process if:

    Text Solution

    |

  19. The boiling point of an azeotropic mixture of water and ethyl alcohol ...

    Text Solution

    |

  20. Which solution would exhibit abnormal osmotic pressure ?

    Text Solution

    |