If r_1, r_2 and r_3 represent the most probab | vedclass

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(C) The most probable speed $(v_{mp})$ is given by the formula $v_{mp} = \sqrt{\frac{2RT}{M}}$.At a constant temperature,$v_{mp} \propto \frac{1}{\sqr

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$M_2 > M_1 > M_3$

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(C) The most probable speed $(v_{mp})$ is given by the formula $v_{mp} = \sqrt{\frac{2RT}{M}}$.At a constant temperature,$v_{mp} \propto \frac{1}{\sqrt{M}}$.From the given graph,the order of most probable speeds is $r_2 Since $v_{mp}$ is inversely proportional to the square root of the molar mass,a lower speed corresponds to a higher molar mass.Therefore,the order of molar masses is $M_2 > M_1 > M_3$.

If $r_1, r_2$ and $r_3$ represent the most probable speeds of three different gases at the same temperature as shown in the figure,with molar masses $M_1, M_2$ and $M_3$ respectively,what is the correct order of the molar masses of these gases?

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