Question:
When is the deviation more in the behaviour of a gas from the ideal gas equation pV = nRT?
When is the deviation more in the behaviour of a gas from the ideal gas equation pV = nRT?
Updated On: Apr 7, 2024
- At high temperature and low pressure
- At low temperature and high pressure
- At high temperature and high pressure
- At low temperature and low pressure
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The Correct Option is B
Solution and Explanation
Gases show deviation from ideal gas behaviour when the temperature is low and pressure is high.At low temperature, the volume of one molecule is not negligible in comparison to total volume and intermolecular force of attraction is maximum at low temperature and high pressure.
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Concepts Used:
States of Matter
The matter is made up of very tiny particles and these particles are so small that we cannot see them with naked eyes.
There are three States of Matter:
The three states of matter are as follows:
Solid State:
- The solid-state is one of the fundamental states of matter.
- Solids differ from liquids and gases by the characteristic of rigidity.
- The molecules of solids are tightly packed because of strong intermolecular forces; they only oscillate about their mean positions.
Liquid State:
- The molecules in a liquid are closely packed due to weak intermolecular forces.
- These forces are weaker than solids but stronger than that of gases.
- There is much space in between the molecules of liquids which makes their flowing ability easy.
Gaseous State:
- In this state of matter, distances between the molecules are large (intermolecular distance is in the range of 10-7-10-5 cm.
- The intermolecular forces experienced between them are negligible.
- Thus, translatory, rotatory and vibratory motions are observed prominently in gases.