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does dichloromethane dissolves an organic solute basis on the polarity of that solute or on the basis of another properties ? sometimes particular solute dissolves only in dichloromethane, but not in a solvent even more polar than dichloromethane. why ?

 does dichloromethane dissolves an organic solute basis on the polarity of that solute or on the basis of another properties ? sometimes particular solute dissolves only in dichloromethane, but not in a solvent even more polar than dichloromethane. why ?

Grade:12th pass

1 Answers

Naveen Kumar
askIITians Faculty 60 Points
9 years ago
The basis for a solute to dissolve in a solvent is the similar force of attraction.
Let we have solue A and solvent B and FA-A,FB-B and FA-Bare force of attractions between A only between B only and between A & B respectively.
So only one condition is sufficient to say whether the solute is soluble or not is:
FA-A ~FB-B ~FA-B
Generally polar substance dissolve in polar solvent and Non-polar substance in non-polar because because there force of attraction are comarable and satisfies above condition whereas non-polar substance(having weak force of attraction) in polar solvent(strong force of attraction) is notsoluble as there interaction forces are not comparable...........

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