States of Matter - Result Question 44
####45. An ideal gas can’t be liquefied because [1992]
(a) its critical temperature is always above $0^{\circ} C$
(b) its molecules are relatively smaller in size
(c) it solidifies before becoming a liquid
(d) forces operated between its molecules are negligible
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Solution:
- (d) In an ideal gas, the intermolecular forces of attraction are negligible and hence, it cannot be liquefied.
