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Question

Which of the following best explains the liquefaction of gases under high pressure?

The correct answer is
Higher pressure reduces the space between particles, leading to liquefaction

Gas Liquefaction Explained: High Pressure Effect

Liquefaction is the process where a gas changes into a liquid.

How Pressure Causes Gas Liquefaction

Gases naturally have molecules that are far apart.

Applying high pressure forces these molecules closer together. This action significantly reduces the space between particles.

As the distance between molecules decreases, the intermolecular attractive forces become more significant.

When these attractive forces overcome the molecules' kinetic energy, the gas undergoes a phase change and liquefies.

Key Takeaway

The primary reason gases liquefy under high pressure is the reduction in intermolecular space, enabling attractive forces to dominate.

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Important Questions from States of Matter

  1. Which of the following is not a characteristic of 'solid'?

  2. Which among the following is NOT an example of matter?

  3. Identify the element that is NOT a metalloid.

  4. What is called conversion from a liquid state to a gaseous state?

    A. Oxidization

    B. Sublimation

    C. Evaporation

    D. Condensation

  5. The gases obtained on heating FeSO4 are-

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