Two liquids a and b form non-ideal solution which shows a minimum boiling point.can the two liquids be completely separated by fractional distillation?what will be the change in temperature on mixing a and b?
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if the solutions are immiscible then they cannot be separated through the process of distillation
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No, the two liquids cannot be completely separated by fractional distillation.
Given:
- The liquid 'a' and 'b' forms a non-ideal solution.
- The boiling point of the non-ideal solution is minimum.
Explanation:
1. No, the two liquids cannot be completely separated by fractional distillation.
- When two liquids are mixed it results in the formation of a non-ideal solution. Such a type of solution is against Raoult's law.
- Due to this reason, despite having a minimum boiling point, the vapor pressure of the solution is very high.
- Thus fractional distillation cannot be applied to separate the two liquids.
2. The fate of temperature.
- As mixing of a and b liquids leads to the formation of a non-ideal solution, the heat is absorbed.
- It means that due to the occurrence of enthalpy change, the temperature gets lowered.
Learn more about such concept
Explain the term ideal and non ideal solutions in the light of forces of interaction operating between molecules in liquid solution
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A non-ideal solution was prepared by mixing 30 mL chloroform and 50 mL acetone. The volume of mixture will be
(a) > 80 mL
(b) < 80 mL
(c) = 80 mL
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