Q80 / 180 · AIIMS 2006 · Chemistry

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

  • A
    depends on $Z$ and indicated by $Z=1$
  • Correct answer
    B
    depends on $Z$ and indicated by $Z>1$
  • C
    depends on $Z$ and indicated by $Z < 1$
  • D
    is independent of $Z$.

Solution

When the value of $Z < 1$, it is due to attractive forces between molecules. At high pressure, when $Z>1$, it is due to repulsive forces between electron clouds of the molecules of gases.

Hence, the correct answer is option: 'B'.

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