Basis of differentiation

Ideal solution

Non-ideal solution

Definition

Is a solution in which interactions between molecules are identical between all molecules in the solution

Is a solution that has differences in the interactions between molecules of different substances in the solution

Change in enthalpy

The change in enthalpy is zero 

The change in enthalpy is a positive or negative value 

Composition

Are highly dilute solutions

Are concentrated solutions

Components

Components behave independently

Components interact with one another

Raoult's Law

Holds true for Rauolt’s law

Does not follow Rauolt’s law