A minimum boiling azeotrope is exemplified by__________________________?
Correct answer: B. Acetone-carbon disulphide
- A. Toluene-benzene
- B. Acetone-carbon disulphide
- C. Water-isobutyl alcohol
- D. None of these
Explanation
Acetone and carbon disulphide form a minimum-boiling azeotrope because their mixture shows positive deviation from Raoult's law, giving a vapour pressure maximum. Toluene-benzene is nearly ideal rather than azeotropic.
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