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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 _______.

विकल्प

  • 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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अध्याय 2: Solutions - Exercises [पृष्ठ ४५]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
अध्याय 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 ______.


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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?


State Raoult’s law. 


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?


Distinguish between ideal and non-ideal solutions.


The vapour pressure of a pure solvent at a certain temperature is 0.0227 bar. What is the vapour pressure of a solution containing 6 g of solute (M = 60 g/mol) in 50 g of solvent?


Explain with reasons and diagrams, the positive and negative deviations from Raoult’s law shown by nonideal solutions.


Which of the following statements is INCORRECT?


Which of the following metals is refined by vapour phase refining in Mond process?


Which of the following is NOT nonideal solution?


If 1 mole of ____________ is added to 1 dm3 of water, the boiling point of water will decrease.


5.0 g of sodium hydroxide (molar mass 40 g mol-1) is dissolved in little quantity of water and the solution is diluted upto 100 mL. What is the molarity of the resulting solution?


A solution of acetone in ethanol ______.


18 g of glucose (C6H12O6) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at l00°C is ______.


What are ideal and non-ideal solutions?


The vapour pressures of two liquids A and B are 80 mmHg and 60 mm Hg respectively at 25°C. What is the vapour pressure of the solution obtained by mixing 3 moles of A and 2 moles of B?


Explain the variation of vapour pressures with mole fractions of binary solutions of two volatile liquids forming ideal solutions.


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