Which one of the following binary mixtures forms an azeotrope with minimum boiling point type?

Which one of the following binary mixtures forms an azeotrope with minimum boiling point type?
  1. acetone-ethanol
  2. $\mathrm{H}_{2} \mathrm{O}-\mathrm{HNO}_{3}$
  3. benzene-toluene
  4. $n$ -hexane- $n$ -heptane

Solution

Minimum boiling azeotrope is formed by solution showing positive deviation. e.g. acetone $-$ ethanol.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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