Many pairs of liquids are present in which there is no uniformity of attractive forces , i.e. , the adhesive and cohesive forces of attraction are not uniform between the two liquids .
Pairs deviate from the Raoult 's law applied only to ideal solutions .
Many pairs of liquids are present in which there is no uniformity of attractive forces , i.e. , the adhesive and cohesive forces of attraction are not uniform between the two liquids , so that they deviate from the Raoult 's law applied only to ideal solutions .