Formation of a solution from two components can be considered as -(i) Pure solvent → separated solvent molecules, ΔH1(ii) Pure solute → separated solute molecules, ΔH2(iii) Interaction between separated solvent and separated solute molecules in the solution, ΔH3Solution so formed will be ideal if :-(1)ΔHsolution = ΔH1 + ΔH2 + ΔH3(2)ΔHsolution = ΔH1 + ΔH2 – ΔH3(3)ΔHsolution = ΔH1 – ΔH2 – ΔH3(4)ΔHsolution = ΔH3 – ΔH1 – ΔH2

Formation of a solution from two components can be considered as -(i)

1.	Formation of a solution from two components can be considered as -(i) Pure solvent → separated solvent molecules, ΔH1(ii) Pure solute → separated solute molecules, ΔH2(iii) Interaction between separated solvent and separated solute molecules in the solution, ΔH3Solution so formed will be ideal if :-(1)ΔHsolution = ΔH1 + ΔH2 + ΔH3(2)ΔHsolution = ΔH1 + ΔH2 – ΔH3(3)ΔHsolution = ΔH1 – ΔH2 – ΔH3(4)ΔHsolution = ΔH3 – ΔH1 – ΔH2
Answer» Formation of a solution from two components can be considered as - (i) Pure solvent → separated solvent molecules, ΔH1 (ii) Pure solute → separated solute molecules, ΔH2 (iii) Interaction between separated solvent and separated solute molecules in the solution, ΔH3 Solution so formed will be ideal if :- (1) ΔHsolution = ΔH1 + ΔH2 + ΔH3 (2) ΔHsolution = ΔH1 + ΔH2 – ΔH3 (3) ΔHsolution = ΔH1 – ΔH2 – ΔH3 (4) ΔHsolution = ΔH3 – ΔH1 – ΔH2