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NEET Chemistry Solutions / विलयन Question Bank Self Evaluation Test - Solutions

  • question_answer
    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?

    A) The solution is non-ideal, showing -ve deviation from Raoult's Law.

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

    C) n-heptane shows +ve deviation while ethanol shows -ve deviation from Raoult's Law.

    D) The solution formed is an ideal solution.

    Correct Answer: B

    Solution :

    [b] For this solution intermolecular interactions between heptane and ethanol are weaker than heptane -heptane and ethanol -ethanol interactions hence the solution of heptane and-ethanol is non-ideal and shows positive deviation from Raoult's law.


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