Formation of a solution from two components can be considered as : (i) Pure solvent \to separated solvent molecules, ∆ {\H}_1 (ii) Pure solvent \to separated solvent molecules, ∆ {\H}_2 (iii) Separated solvent and solute molecules \to solution, ∆ {\H}_3 Solution so formed will be ideal if : -

Correct Answer is : ∆HSoln=∆H1+∆H2+∆H3

∆ {\H}_{ \Soln}=∆ {\H}_1+∆ {\H}_2+∆ {\H}_3

∆ {\H}_{ \Soln}=∆ {\H}_1+∆ {\H}_2-∆ {\H}_3

∆ {\H}_{ \Soln}=∆ {\H}_1-∆ {\H}_2-∆ {\H}_3

∆ {\H}_{ \Soln}=∆ {\H}_3-∆ {\H}_1-∆ {\H}_2

AIPMT 2003 Physics and Chemistry Paper

Question : 68 of 100

Marks: +1, -0

Formation of a solution from two components can be considered as :
(i) Pure solvent → separated solvent molecules, ∆H1
(ii) Pure solvent → separated solvent molecules, ∆H2
(iii) Separated solvent and solute molecules → solution, ∆H3
Solution so formed will be ideal if : -

∆HSoln=∆H1+∆H2+∆H3
∆HSoln=∆H1+∆H2−∆H3
∆HSoln=∆H1−∆H2−∆H3
∆HSoln=∆H3−∆H1−∆H2

Validate

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