NEET Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Self Evaluation Test - States of Matter

  • question_answer
    A graph is plotted between \[P{{V}_{m}}\] (along Y-axis) and P (along X-axis) at \[27{}^\circ \] (\[{{V}_{m}}\]being the molar volume of an ideal gas). The intercept of the graph at Y-axis is (\[R=0.082\text{ }atm\text{ }L{{K}^{-1}}mo{{l}^{-1}}\])

    A) \[22.4\text{ }atm\text{ }L\text{ }mo{{l}^{-1}}\]

    B) \[24.6\text{ }atm\text{ }L\text{ }mo{{l}^{-1}}\]

    C) \[24.6\text{ }atm\text{ }L{{K}^{-1}}mo{{l}^{-1}}\]

    D) None of these

    Correct Answer: B

    Solution :

    [b] The graph is a straight line parallel to the axis of pressure with intercept \[=P{{V}_{m}}=RT=0.082\]             \[atm\,L{{K}^{-1}}mol\times 300K\] \[=24.6\text{ }atm\,Lmo{{l}^{-1}}.\]


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