The van der Waals' parameters for gases W,X,Y and Z are
Gasa(litre2−atom/mol2)b(litre/mol)W4.00.027X8.00.030Y6.00.032Z12.00.027
Which one of these gases has the highest critical temperature?
W
X
Y
Z
Critical temperature Tc=8a27 Rb
Gasa(litre2−atom/mol2)b(litre/mol)W4.00.027X8.00.030Y6.00.032Z12.00.027