The mixture which shows negative deviation from Raoult’s law is:
[1 Mark]
A
n-hexane + n-heptane
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B
Acetone + chloroform
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C
Ethanol + Acetone
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D
Acetone + carbon disulphide
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Solution
The correct option is B Acetone + chloroform Acetone and chloroform form negative deviation solution as the interaction between acetone-chloroform is stronger than interactions between acetone-acetone and chloroform-chloroform.