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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        What is the ratio of diffusion rate of oxygen and hydrogen?

    A)  1:4                                        

    B)  4:1

    C)  1 : 8                                      

    D)  8 : 1

    Correct Answer: A

    Solution :

                    According to Grahams rule \[\frac{^{r}{{O}_{_{2}}}}{^{r}{{H}_{2}}}=\sqrt{\frac{{{M}_{{{H}_{2}}}}}{{{M}_{{{O}_{2}}}}}}\] \[=\sqrt{\frac{2}{32}}\] \[=\frac{1}{4}\]                 \[\therefore \]  \[^{r}{{O}_{2}}{{:}^{r}}{{H}_{2}}=1:4\]


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