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

At `40^(@)C`, the vapour pressures in torr, of methyl alcohol and 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 `underset(x_(A)rarr1)(lim)(P_(A))/(X_(A))` is

A

254 torr

B

135 torr

C

119 torr

D

140 torr

Text Solution

AI Generated Solution

To solve the question, we will follow these steps: ### Step 1: Understand the Given Equation We are given the equation for the vapor pressure \( P \) of a solution of methyl alcohol and ethyl alcohol at \( 40^\circ C \): \[ P = 119X_A + 135 \] where \( X_A \) is the mole fraction of methyl alcohol. ...
Promotional Banner

Topper's Solved these Questions

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|57 Videos

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|31 Videos

  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise LEVEL 1|75 Videos

  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise EXERCISE-J|10 Videos

  • THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|31 Videos

Similar Questions

Explore conceptually related problems

At 40^(@)C , vapour pressure in Torr of methanol and ethanol solution is P=119x+135 where x is the mole fraction of methanol. Hence

The total vapour pressure of a binary solution is gives by P = ( 100X_(A) + 260 X_(B) )mm Hg where, X_(A)and X_(B) are the molefractions of components A and B. This indicates that the:

The vapour pressure of methyl alcohol at 298 K is 0.158 bar. The vapour pressure of this liquid in solution with liquid B is 0.095 bar. Calculate the mole fraction of methyl alcohol in the solution if the mixture obeys Raoult's law.

At 25^(@)C , the vapour pressure of pure methyl alcohol is 92.0 torr. Mol fraction of CH_(3)OH in a solution in which vapour pressure of CH_(3)OH is 23.0 torr at 25^(@)C , is:

If P^(@) the vapour pressure of a pure solvent and P is the vapour pressure of the solution prepared by dissolving a non volatile solute in it. The mole fraction of the solvent X_(A) is given by:

The vapour pressure of ethyl alcohol at 25^@C is 59.2 torr. The vapour pressure of a solution of urea in ethyl alcohol is 51.3 torr. What is the molality of the solution?

P_(A)and P_(B) are the vapour pressure of pure liquid components ,Aand B respectively of an ideal binary solution,If x_(A) represents the mole fraction of component A, the total pressure of the solution will be

The composition of vapour over a binary ideal solution is determined by the composition of the liquid. If x_(A) and y_(A) are the mole fractions of A in the liquid and vapour, respectively find the value of x_(A) for which (y_(A)-x_(A)) has maximum. What is the value of the pressure at this composition?

Mixture of volatile components A and B has a total vapour pressure (in torr)p= 254-119 x_(A) is where x_(A) mole fraction of A in mixture .Hence P_(A)^@ and P_(B)^@ are(in torr)

Mixture of volatile components A and B has a total vapour pressure (in torr)p= 254-119 x_(A) is where x_(A) mole fraction of A in mixture .Hence P_(A)^@ and P_(B)^@ are(in torr)

VMC MODULES ENGLISH-THEORY OF SOLUTIONS-LEVEL 2
  1. For a non-volatile solute

    Text Solution

    |

  2. Consider the figure and mark the correct option.

    Text Solution

    |

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

    Text Solution

    |

  4. What mass of urea be dissolved in 171 g of water so as to decrease the...

    Text Solution

    |

  5. Increasing amount of solid Hgl(2) is added to 1 L of an aqueous soluti...

    Text Solution

    |

  6. Equimolal solutions KCl and compound X in water show depression in fre...

    Text Solution

    |

  7. CNS^(ө) ions give red colour with Fe^(3+) ions in aqueous solution as:...

    Text Solution

    |

  8. Consider the two solutions: I: 0.5 M NaCl aqueous solution at 25^(@)...

    Text Solution

    |

  9. Which pair(s) of liquids on mixing is/are expected to show no net volu...

    Text Solution

    |

  10. Assertion (A): The molecular mass of polymers cannot be calculated usi...

    Text Solution

    |

  11. Assertion (A): Camphor is used as a solvent in the determination of th...

    Text Solution

    |

  12. The relative decrease in VP of an aqueous glucose dilute solution is f...

    Text Solution

    |

  13. Which has maximum osmotic pressure at temperature T? a. 100 mL of 1...

    Text Solution

    |

  14. A mixture of volatile component A and B has total vapour pressure (in ...

    Text Solution

    |

  15. 1 mol benzene (P^(@)("benzene")=42 mm) and 2 mol toluence (P^(@)("to...

    Text Solution

    |

  16. When non-volatile solute is added to a pure solvent, the:

    Text Solution

    |

  17. An aqueous solution has freezing point at -2.55^(@)C. What is its boi...

    Text Solution

    |

  18. Among the following, the solution which shows the lowest osmotic press...

    Text Solution

    |

  19. A 0.1 M solution of glucose (molecular weight 180 g "mol"^(-1)) and a...

    Text Solution

    |

  20. Which of the following statements is incorrect ?

    Text Solution

    |