Punjab Medical Punjab - MET Solved Paper-2011

  • question_answer
    The relation which describes the variation of vapour pressure with temperature is called

    A)  Hess law

    B)  Arrhenius equation

    C)  Kirchoffs law

    D)  Clausius-Clapeyron equation

    Correct Answer: D

    Solution :

    Clausius-Clapeyron equation is  \[\log \frac{{{p}_{2}}}{{{p}_{1}}}=\frac{\Delta {{H}_{vap}}}{2.303R}\left( \frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{1}}{{T}_{2}}} \right)\]where,\[{{p}_{1}}\]and\[{{p}_{2}}\]represent vapour pressures at two different temperatures\[{{T}_{1}}\]and\[{{T}_{2}}\].


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