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A binary liquid solution is prepared by mixing n -heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution?

Options

  1. AThe solution formed is an ideal solution
  2. BThe solution is non-ideal, showing +ve deviation from Raoult's law.
  3. CThe solution is non-ideal, showing -ve deviation from Raoult's law.
  4. Dn-heptane shows +ve deviation while ethanol shows -ve deviation from Raoult's law.

Correct answer

B. The solution is non-ideal, showing +ve deviation from Raoult's law.

Step-by-step solution

The interactions between n -heptane and ethanol are weaker than that in pure components.

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