A gas is said to behave like an ideal gas when the relation PV / T = constant . When do you expect a real gas to behave like an ideal gas ?
When the temperature is low
When both the temperature and pressure are low
When both the temperature and pressure are high
When the temperature is high and pressure is low
As we learnt in
Behaviour of real gas -
combined Volume of molecules can not be neglected with respect to volume of beaker .
-
is the ideal gas equation it is allowed when the temperature is high and pressure is low.
Option 1)
When the temperature is low
Incorrect
Option 2)
When both the temperature and pressure are low
Incorrect
Option 3)
When both the temperature and pressure are high
Incorrect
Option 4)
When the temperature is high and pressure is low
Correct
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