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J & K CET Medical J & K - CET Medical Solved Paper-2006

  • question_answer
    A, B and C are ideal gases. Their molecular weights are 2, 4 and 28 respectively. The rate of diffusion of these gases follow the order:

    A) \[C>A>B\]          

    B) \[C>B>A\]

    C) \[A=B=C\]          

    D) \[A>B>C\]

    Correct Answer: D

    Solution :

                    According to Graham's law of diffusion \[r\propto \frac{1}{\sqrt{M}}\] Hence, the order of rate of diffusion is: Gases:                  \[A>B>C\] Mol. weight:      \[2\text{ }\,\,\,\,\,4\,\,\,\,\,\,28\]


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