1.

a and b are van der Waals' constants for gases. Chlorineis more easily liquefied than ethane because (2011)(a) a and b for Cl2> a and b for C2Hs(b) a and b for C12 < a and b for C2H6(c) a for Cl2> a for C2Hs but b for Cl2 b for C2H(d) a for Cl2> a for C2H, but b for Cl2 b for C2H

Answer»

van der Waals constant a is a measure of intermolecular forces and b is a measure of molecular size.A greater value of a and lesser value of b supports liquefication of a given gas. Therefore, chlorine is more easily liquefied than ethane because a for Cl2 > a for C2H6 but b for Cl2 < b for C2H6



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