This gas cannot be liquefied by Linde's method
Correct answer: D. Helium
- A. Methane
- B. Carbon dioxide
- C. Hydrogen
- D. Helium
Explanation
Helium is non-polar, so it is not easy to operate attractive forces. So they can't be liquified by Linda's method.
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About Real and Ideal Gases
An ideal gas is modelled as particles with negligible volume and no intermolecular attraction, obeying Boyle's, Charles's and Avogadro's laws through PV = nRT. Real gases deviate from this behaviour, especially at high pressure and low temperature, because particle volume and attractive forces matter; the van der Waals equation explains these corrections.
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