Gaseous StateMedium
Question
The value of Van der Waals′ constant ″a″ for the gases O2, N2, NH3 and CH4 are 1.360, 1.390, 4.170 and 2.253 L2 atom mol-2 respectively. The gas which can most easily by liquefied is :
Options
A.O2
B.N2
C.NH3
D.CH4
Solution
′a′ is a measure of intermolecular of attraction among gas molecules. So higher is the value of ′a′ for a gas, easier is the liquefaction of gas.
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