JEE Main & Advanced Chemistry States of Matter Question Bank Ideal gas equation and Related gas laws

  • question_answer The rate of diffusion of methane at a given temperature is twice that of X. The molecular weight of X is                                 [MNR 1995; Kerala CEE 2001]

    A)                 64.0       

    B)                 32.0

    C)                 40.0       

    D)                 80.0

    Correct Answer: A

    Solution :

               \[{{r}_{C{{H}_{4}}}}=2{{r}_{g}}\]                                 \[{{M}_{g}}={{M}_{C{{H}_{4}}}}{{\left( \frac{{{r}_{C{{H}_{4}}}}}{{{r}_{g}}} \right)}^{2}}=16\times {{2}^{2}}=64\]

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