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The real gases show deviations from idea...

The real gases show deviations from ideal gas behaviour. It is observed that real gases donot follow Boyle's law, Charles law and Avogadro law perfectly under all conditions. The deviations from ideal behaviour can be measured in terms of compressiblity factor Z.
what is meant by the term Compressiblity ? (b) What is the value of Compressibility factor for ideal gases and real gases ?

A

1

B

0

C

infinite

D

very very small

Text Solution

Verified by Experts

The correct Answer is:
A
For ideal gas, Z = 1
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Knowledge Check

  • Real gases show deviations from, ideal behaviour when

    A
    temperature is low and pressure is high
    B
    temperature si high and Pressure is low
    C
    both temperature and pressure are low
    D
    both temperature and pressure are high

  • Gases show deviation from ideal behaviour at high pressure because :-

    A
    their temperature increases
    B
    molecular interactions start operating
    C
    critical temperature increases
    D
    kinetic energy of molecule increases

  • The real gases show deviation from ideal gases donot follow Boyle's law, Charles law and Avogadro law perfectly under all conditions. The deviations from ideal behaviour can be measured in terms of compressibility factor, Z which may be defined as : Z=(pV)/(nRT) It has been observed that Z has values greater than and less than one for different gases. The behaviour of some common gases is shown here. If V_(o) is the observed volume of a gas and V_(i) is the ideal gas volume, then Z is

    A
    `V_(o)-V_(i)`
    B
    `V_(o)//V_(i)`
    C
    `V_(i)//V_(o)`
    D
    `V_(i)-V_(o)`

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