Answer: Option (D) is the correct answer.
Step-by-step explanation:
Real gases are the gases whose molecules have volume and they occupy some space. Even though these molecules are extremely small but still they occupy space.
Whereas molecules of ideal gas do not have any volume and therefore, they do not occupy any space.
When we provide very low temperature or very high pressure to the real gas then it will liquefy.
Hence, we can conclude that the description, gas will liquefy if compressed enough applies to real gases rather than ideal gases.