Vapour Pressure of Liquid Solutions

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Vapour Pressure of Liquid Solutions: Overview

This topic covers concepts such as Vapour Pressure, Variation of Vapour Pressure with Temperature, and Clausius-Clapeyron's Equation.

Important Questions on Vapour Pressure of Liquid Solutions

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Select the correct Clausius-Clapeyron's Equation from the given options:

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Write the Clausius-Clapeyron's Equation.

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The plot of total vapour pressure as a function of mole fraction of the components of an ideal solution formed by mixing liquids X and Y is

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What are the factors which affect vapour pressure?

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Explain the effect of temperature on the vapour pressure of a liquid.

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What is a vapour pressure of liquid?

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The vapour pressure of water at 293 K is 17.74 mm of Hg.

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Which of the following will ensure that pressure of vapour above liquid will not change?

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Vapour pressure of a liquid increases with

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A person living at high altitude region observed that cooking food without using pressure cooker takes more time. The reason for this observation is that

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Which of the following statements is correct?

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At a constant temperature, which of the following aqueous solutions will have the maximum vapour pressure?

Mol. weight:NaCl=58.5, H2SO4=98.0 gram. mol-1

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Statement - 1: Only temperature can change the vapour pressure of a pure liquid.

Statement - 2: Equilibrium constant does not change unless temperature is changed.

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The enthalpy of vapourisation of water=45.953kJmol

At 1 atm pressure the boiling point of water is 373 K. What is the boiling point of water when pressure equal to 12atm in Kelvin in nearest possible integers?

Given:log 2=0.3

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A liquid is kept in a closed vessel. If a glass plate of negligible mass with small hole is kept on top of the liquid surface, then vapour pressure of the liquid in the vessel is:

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Which one of the statements given below-concerning properties of solutions, describes a colligative effect?

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The vapour pressure of a liquid in a closed container depends upon

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On a humid day in summer, the mole fraction of gaseous a H2O (water vapour) in the air at 25C  can be as high as 0.0287. Assuming a total pressure of 0.977 atm. What is the partial pressure of dry air?

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Out of the compounds below, the vapour pressure of (B) at a particular temperature is:

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The aqueous solution that has the lowest vapour pressure at a given temperature is:

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A substance will be deliquescent if its vapour pressure :