Manipal Medical Manipal Medical Solved Paper-2014

  • question_answer
    The following is a graph plotted between the vapour pressure of two volatile liquids against their respective mode fractions. Which of the following statement is/are correct?

    A)  When \[{{\chi }_{A}}=1\] and\[{{\chi }_{B}}=0,\] then \[p=p_{A}^{\circ }\]

    B) When  \[{{\chi }_{B}}=1\] and\[{{\chi }_{A}}=0,\] then \[p=p_{B}^{\circ }\]

    C) When \[{{\chi }_{A}}=1\]and\[{{\chi }_{B}}=0,\] then \[p<p_{B}^{\circ }\]

    D) When \[{{\chi }_{B}}=1\] and\[{{\chi }_{A}}=0,\] then \[p>p_{A}^{\circ }\]

    Correct Answer: A

    Solution :

    In the graph, when \[{{x}_{A}}=1\] and \[{{x}_{B}}=0\], then \[p=p_{A}^{\circ }\] and when \[{{x}_{B}}=1\]and \[{{x}_{A}}=0\] thus \[p=p_{B}^{\circ }\]


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