The intermolecular forces between benzene molecules are approximately equal in strength to those between toluene molecules. For a benzene + toluene mixture, identify the incorrect statements.

(a) ΔHmix= Zero
(b) ΔVmix = Zero
(c) The mixture forms a minimum-boiling azeotrope
(d) The mixture does not behave as an ideal solution


Which option lists the incorrect statements?

1. a and b 2. b and c
3. c and d 4. a and d