Solution:
The escaping tendencies of A and B are enhanced if molecular interactions A· · · B are weaker than those between A·· ·A and B· · ·B.
A solution of liquids A and B exhibits positive deviation from Raoult's law provided
The escaping tendencies of A and B are enhanced if molecular interactions A· · · B are weaker than those between A·· ·A and B· · ·B.