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Real Gases

Gas deviates ...

Question

Gas deviates from ideal gas behaviour because molecules:

A

are colourless

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B

attract each other

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C

contain covalent bond

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D

show Brownian movement

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Solution

The correct option is B attract each other
The causes of deviation of gas from ideal behavior two assumptions of kinetic energy of gases.
$1.$ The volume occupied by gas molecules is negative.
$2.$ The forces of attraction between gas molecules are negligible.

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Q. Real gases show deviations from ideal gas law because molecules interact with each other. At high pressures molecules of gases are very close to each other. At very low temperatures intermolecular forces become significant. The deviation from ideal gas behaviour can be measured in terms of compressibility factor

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) . Taking the pressure and volume corrections due to intermolecular forces vander waals corrected the ideal gas equation.
In vander waals equation of state for non ideal gases, the term that accounts for intermolecular forces

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