1.

Mention the causes for the deviation of real gas from ideal behaviour.

Answer»
  • There is no intermolecular force of attraction within gaseous molecules (at high pressure and low temperature there is appreciable intermolecular force of attraction). 
  • The actual volume of the molecule is negligible as compared to total volume of the gas. (At high pressure the gaseous molecule occupy minimum volume, which is not negligible). 

Note: Because of this deviation Van der waal modified the ideal gas pressure and ideal gas volume respectively.


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