JEE Main & Advanced Chemistry States of Matter Question Bank Kinetic molecular theory of gases and Molecular collisions

  • question_answer The density of air is 0.00130 g/ml. The vapour density of air will be           [DCE 2000]

    A)                 0.00065

    B)                 0.65

    C)                 14.4816

    D)                 14.56

    Correct Answer: D

    Solution :

               Density = \[\frac{M}{V}\]                    \[d=\frac{v.d\times 2}{V}\]      \[\left( M=V.d\times 2 \right)\]                    \[V.d=\frac{d\times V}{2}\]                                                     \[V.d=\frac{0.00130\times 22400}{2}=14.56g{{m}^{-1}}\]

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