Question:

An ideal gas can?t be liquefied because

Updated On: Jan 30, 2025
  • its critical temperature is always above $0^{\circ} C$
  • its molecules are relatively smaller in size
  • it solidifies before becoming a liquid
  • forces operated between its molecules are negligible
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The Correct Option is D

Solution and Explanation

In an ideal gas, the intermolecular forces of attraction are negligible and hence it cannot be liquefied.
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Concepts Used:

Liquid State

The liquid state of matter has the following properties:

  • As the particles moves it start moving everywhere inside the volume filled by the liquid.
  • Liquids have a strong inter-particle force, more inter-particle space than solids and enough kinetic energy.
  • It can be transformed into solids due to the solidification process.
  • Evaporation is the conversion of liquids to gases.
  • Liquid particles begin to flow more quickly when the temperature rises.
  • Liquids are difficult to compress because there is less space between particles for particles to migrate.
  • Constant volume but no constant shape.
  • In liquids, the rate of diffusion is faster than in solids.
  • Inter molecular attraction between particles is weaker than that between solids.

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