1.

The Vander Waal's constant 'a' for the gases \[{{O}_{2}},\,{{N}_{2}},\,N{{H}_{3}}\] and \[C{{H}_{4}}\]are 1.3, 1.390, 4.170 and 2.253 \[{{L}^{2}}\,atm\,mo{{l}^{-2}}\] respectively. The gas which can be most easily liquefied is [IIT 1989]

A. \[{{O}_{2}}\]
B. \[{{N}_{2}}\]
C. \[N{{H}_{3}}\]
D. \[C{{H}_{4}}\]
Answer» D. \[C{{H}_{4}}\]


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