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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Choose the most correct option. Vapour pressure of a solution is _______. - Chemistry

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प्रश्न

Choose the most correct option.

Vapour pressure of a solution is _______.

पर्याय

  • directly proportional to the mole fraction of the solute

  • inversely proportional to the mole fraction of the solute

  • inversely proportional to the mole fraction of the solvent

  • directly proportional to the mole fraction of the solvent

MCQ
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उत्तर

Vapour pressure of a solution is directly proportional to the mole fraction of the solvent.

For solutions containing non-volatile solutes, Raoult's law may be stated as at a given temperature, the vapour pressure of a solution containing a non-volatile solute is directly proportional to the mole fraction of the solvent.

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पाठ 2: Solutions - Exercises [पृष्ठ ४५]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 2 Solutions
Exercises | Q 1.09 | पृष्ठ ४५

संबंधित प्रश्‍न

Choose the most correct option.

The vapour pressure of a solution containing 2 moles of a solute in 2 moles of water (vapour pressure of pure water = 24 mm Hg) is ______.


Answer the following.

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The vapour pressure of water at 20°C is 17 mm Hg. What is the vapour pressure of solution containing 2.8 g urea in 50 g of water?


What type of solutions exhibit positive deviations from Raoult’s law?


What is enthalpy change and volume change of mixing of two components forming an ideal solution?


The vapour pressures of pure liquids A and B are 0.600 bar and 0.933 bar respectively, at a certain temperature.
What is the mole fraction of liquid B in the solution when the total vapour pressure of their mixture is 0.8 bar?


Distinguish between ideal and non-ideal solutions.


With the help of vapour pressure-temperature curves for solution and solvent, explain why boiling point of solvent is elevated when a nonvolatile solute is dissolved into it.


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Which of the following statements is INCORRECT?


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Total vapour pressure of a mixture of 1 mole A`("p"_"A"^circ = 150 " torr")` and 2 mole B`("p"_"B"^circ = 240 " torr")` is 200 mm. In this case, ______.


A solution having highest vapour pressure is ______.


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Write the relationship between mole fraction of solvent and vapour pressure of solution.


A mixture of two liquids A and B have vapour pressures 3.4 × 104 Mn-2 and 5.2 × 104 Nm-2. If the mole fraction of A is 0.85, find the vapour pressure of the solution.


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