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

  • question_answer Which of the following pairs will diffuse at the same rate through a porous plug [EAMCET 1990]

    A)                 CO, \[N{{O}_{2}}\]          

    B)                 \[N{{O}_{2}},\,C{{O}_{2}}\]

    C)                 \[N{{H}_{3}},\,P{{H}_{3}}\]         

    D)                 NO\[{{C}_{2}}{{H}_{6}}\]

    Correct Answer: D

    Solution :

                    Because both \[NO\]and \[{{C}_{2}}{{H}_{6}}\] have same molecular weights \[\left[ {{M}_{NO}}={{M}_{{{C}_{2}}{{H}_{6}}}}=30 \right]\] and rate of diffusion \[\propto \]molecular weight.

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