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Which of the following gases will have hightest average molecular speed at `25^(@)C` ?A. `Ar`B. `CH_(4)`C. `N_(2)`D. `CH_(2)F_(2)` |
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Answer» Correct Answer - B `U_(avg) = sqrt((8RT)/(pi M))` `U_(avg) prop (1)/(sqrtM)` `M darr U_(avg) uarr` (1) `Ar rarr 40` (2) `CH_(4) rarr 16` (3) `N_(2) rarr 28` (4) `CH_(2)F_(2) rarr 52` |
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