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formation of a solution form two components can be considered as
(i) Pure solvent rarr separated solvent molecules, `DeltaH_(1)`
(ii) Pure solute rarr separated solute molecules, `DeltaH_(2)`
(iii) separated solvent and solute molecules rarr solution, `DeltaH_(3)`
Solution so formed will be ideal if
A. `Delta H_("soln")=Delta H_(3)-Delta H_(1)-Delta H_(2)`
B. `Delta H_("soln")=Delta H_(1)+Delta H_(2)+Delta H_(3)`
C. `Delta H_("soln")=Delta H_(1)-Delta H_(2)-Delta H_(3)`
D. `Delta H_("soln")=Delta H_(1)-Delta H_(2)-Delta H_(3)`

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Correct Answer - B

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