Chemistry, asked by anana1067, 8 months ago

Difference between maximum and minimum boiling azetropes in points give proper answer anad example correct

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Answered by arsheeno19
1
  • There are two types of azeotropes: minimum boiling azeotrope and maximum boiling azeotrope.
  • A solution that shows greater positive deviation from Raoult's law forms a minimum boiling azeotrope or positive azeotrope at a specific composition
  • If a solution A and Solution B are mixed, the interactions between the A-B molecules is weaker than the interactions between the A-A and B-B molecules.
  • A well-known example of a positive azeotrope is 95.63% ethanol and 4.37% water (by mass) boils at 78.2 °C. Ethanol boils at 78.4 °C, water boils at 100 °C, but the azeotrope boils at 78.2 °C, which is lower than either of its constituents
  • A solution that shows large negative deviation from Raoult's law forms a maximum boiling azeotrope or negative azeotropes at a specific composition
  • If a solution A and Solution B are mixed, the interactions between the A-B molecules is stronger than the interactions between the A-A and B-B molecules.
  • A well-known example of a negative azeotrope is nitric acid and water .This azeotrope has an approximate composition of 68% nitric acid and 32% water by mass, with a boiling point of 393.5 K (120.4 °C).

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