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A gas will approach ideal behaviour at...

A gas will approach ideal behaviour at

A

Low temperature and low pressure

B

Low temperature and high pressure

C

High temperature and low pressure

D

High temperature and high pressure

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A real gas approches ideal behaviour at high temperature and low pressure. Both `a//V^(2)` and `b` can be neglected under these conditions.
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A: A real gas will approach ideal behaviour at high temperature and low pressure. R: At low pressure and high temperature z = 1, for all gases

Real gases will approach the behaviour of ideal gases at

Non-ideal gases approach ideal beheaviour under :

Statement-1 : At low pressure and high temperature real gas approaches the ideal gas behaviour. and Statement-2 : At low prossure and high temperature the molecules are negligible.

One of the important approach to the study of real gases involves the analysis of parameter Z called the compressibility factor Z = (PV_(m))/(RT) where P is pressure, V_(m) is molar volume, T is absolute temperature and R is the universal gas constant. such a relation can also be expressed as Z = ((V_(m)real)/(V_(m)ideal)) (where V_(m ideal) and V_(m real) are the molar volume for ideal and real gas respectively). Gas corresponding Z lt 1 have attractive forces amoung constituent particles. As the pressure is lowered or temperature is increased the value of Z approaches 1. (reaching the ideal behaviour) {:("Observation",,"Conclusion"),(I.Z =1,,I."The gas need not be showing the ideal behaviour"),(II. Zgt1,, II. "On applying pressure the gas will respond by"),(,,"increasing its volume"),(III. Z lt 1,, III. "The gas may be liquefied"),(IV. Z rarr1 "for low" P,, IV. "The gas is approaching the ideal behaviour") :}

For a certain gas which deviates a little from ideal behaviour, a plot between P/p vs P was found to be non- linear . The intercept on y-axis will be :

A real gas most closely approaches the behaviour of an ideal gas at:

A real gas deviates most from ideal behaviour at

For a gas deviation from ideal behaviour is maximum at :

Assertion : For a certain fixed amount of gas the product PV is always constant Reason : Real gases deviate from ideal behaviour of low pressure and high temperature

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