. Given van der Waals constant for
NH3,H2,O2 and CO2 are respectively 4.17, 0.244,1.36 and 3.59, which one of the following gases is most easily liquefied?
(a) NH3
(b) H2
(c) O2
(d) CO2
Best Answer
Correct Option is : (a)
Critical temperature van der Waal constant 'a'
Maximum ' a' ⇒ gas with maximum TC ⇒ easiest liquefaction = NH3
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