A) At low pressure and low temperature
B) At low pressure and high temperature
C) At high pressure and low temperature
D) At high pressure and high temperature
Correct Answer: C
Solution :
[c] At high pressure and low temperature, gaseous atoms or molecules get closer to each other and van der Waal forces operates. So molecules or atoms start attracting each other. Hence a gas deviate the most from its ideal behaviour. While in ideal behaviour we consider that gaseous molecules do not attract each other, i.e., there is no intermolecular forces of attraction.
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