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Dominance of strong repulsive forces amo...

Dominance of strong repulsive forces among the molecules of the gas (`Z =` compressibility factor)

A

depends on `Z` and is indicated by `Z = 1`

B

depends on `Z` and is indicated by `Z gt 1`

C

depends on `Z` and is indicated by `Z lt 1`

D

is independent on `Z`

Text Solution

Verified by Experts

The correct Answer is:
B
`Z gt 1` implies that the gas is less compressible than the ideal gas , i.e., when we compress the gas , the decrease in volume is less than expected. This is because of the dominance of strong repulsive forces between the molecules preventing them to come closer.
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Knowledge Check

  • Domianance of strong repulsive forces among the molecules of the gas (Z=compressibility factor)

    A
    depends on Z and indicated by Z=1
    B
    depends on Z and indicated by `Z gt 1`
    C
    depends on Z and indicated by `Z gt 1`
    D
    is independent of Z

  • Dominance of strong attractive forces among the molecules of the gas :

    A
    Depends of Z and indicates that Z=1
    B
    Depends of Z and indicates that `Z gt 1`
    C
    Depends of Z and indicates that `Z lt 1`
    D
    Is independent of Z

  • For H_(2) gas the compressibility factor Z=PV/nRT is

    A
    Equal to 1
    B
    Equal to 0
    C
    Always greater than 1
    D
    Initially less than 1 and then becomes greater than 1 at high pressures

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    The compressibility factor an ideal gas is

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