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NEET levelSingle correct optionDifficulty 1 of 3rg001

The compressibility factor of a gas is defined as . For an ideal gas at all pressures and temperatures, is

  1. Azero
  2. Bexactly 1
  3. Cgreater than 1
  4. Dless than 1

Answer: B

For an ideal gas holds exactly, so at every pressure and temperature. Any departure of from 1 measures non-ideal behaviour.
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