1.

Which of the following will show a negative deviation from Raoult's law?

Answer»

Acetone-benzene
Acetone-ethanol
Benzene-methanol
Acetone-chloroform

Solution :HYDROGEN bonds are FORMED on mixing acetone and chloroform. The new interactions in the MIXTURE are stronger than in the pure components. `Delta V` and `DeltaH` are negative. The solution shows negative DEVIATION.


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