7.A liquid-liquid solution is called an ideal solution if (I)it obeys PV = nRT. (II)it obeys
Raoult’s law. (III)solute-solute, solvent-solvent, and solute-solvent interactions are very
similar. (IV)solute-solute, solvent, and solute-solvent interactions are quite different.
(A)I, II, III
(B)I, II, IV
(C)II, III
(D)II, IV
(E)I, II, III