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

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

Options

(a) Acetone-benzene
(b) Acetone-ethanol
(c) Benzene-methanol
(d) Acetone-chloroform

Correct Answer:

Acetone-chloroform

Explanation:

Hydrogen bonds are formed on mixing acetone and chloroform. The new interactions in the mixture are stronger than in the pure components. ΔV and ΔH are negative. The solution shows negative deviation.

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