Question

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'a' and 'b' are van der Waals' constants for gases. Chlorine is more easily liquefied than ethane because

ChemistryStates of MatterJEE MainJEE Main 2011

Options:

A
a and $b$ for $\mathrm{Cl}_2 < \mathrm{a}$ and $\mathrm{b}$ for $\mathrm{C}_2 \mathrm{H}_6$
B
a for $\mathrm{Cl}_2 < $ a for $\mathrm{C}_2 \mathrm{H}_6$ but b for $\mathrm{Cl}_2>$ b for $\mathrm{C}_2 \mathrm{H}_6$
C
a for $\mathrm{Cl}_2>$ a for $\mathrm{C}_2 \mathrm{H}_6$ but $b$ for $\mathrm{Cl}_2 < $ b for $\mathrm{C}_2 \mathrm{H}_6$
D
a and $b$ for $\mathrm{Cl}_2>a$ and $b$ for $\mathrm{C}_2 \mathrm{H}_6$