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  • Under the same conditions of temperature and pressure, the date of diffusion of hydrogen gas is how much times that oxygen gas -Option: 1 6

Under the same conditions of temperature and pressure, the date of diffusion of hydrogen gas is how much times that oxygen gas -

Option: 1

6


Option: 2

4


Option: 3

9


Option: 4

2


Answers (1)

best_answer

At constant temperature and pressure rates of diffusion \mathrm{(r)} of different gasses are inversly proportional to the square roots of their molecular masses \mathrm{M} . i.e, \mathrm{r \alpha \frac{1}{\sqrt{M}}}

under indentical conditions of temperature and pressure , if the rates of diffusion of \mathrm{H_{2}} and \mathrm{O_{2}} are \mathrm r_{H_{2}} and \mathrm r_{O_{2}} respectivelly, then

\mathrm {\frac{r_{\mathrm{H}_2}}{r_{\mathrm{O}_2}}=\sqrt{\frac{\mathrm{MO}_2}{\mathrm{MH}_2}}=\frac{\sqrt{32}}{\sqrt{2}}=4 \Rightarrow D_{\mathrm{H}_2}=4 \times r_{\mathrm{O}_2}}

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