Formation of solution from two components can be considered as (i) Pure solvent $ \to $ separated solvent molecules, $\Delta $H1 (ii) Pure solute $ \to $ separated solute molecules, $\Delta $H2 (iii) Separated solvent and solute molecules $ \to $ solution, $\Delta $H3 Solution so formed will be ideal if

Question

Formation of solution from two components can be considered as
(i) Pure solvent $ \to $ separated solvent molecules, $\Delta $H₁
(ii) Pure solute $ \to $ separated solute molecules, $\Delta $H₂
(iii) Separated solvent and solute molecules $ \to $ solution, $\Delta $H₃
Solution so formed will be ideal if

$\Delta $H_soln = $\Delta $H₁ + $\Delta $H₂ + $\Delta $H₃

$\Delta $H_soln = $\Delta $H₁ + $\Delta $H₂ $-$ $\Delta $H₃

$\Delta $H_soln = $\Delta $H₁ $-$ $\Delta $H₂ $-$ $\Delta $H₃

$\Delta $H_soln = $\Delta $H₃ $-$ $\Delta $H₁ $-$ $\Delta $H₂

Solution

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