(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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(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 $M_2 > M_1 > M_3$.

Class 11 Chemistry States of Matter Molecular speeds

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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?

AP EAMCET 2018 All AP EAMCET

A
$M_1 > M_3 > M_2$
B
$M_3 > M_2 > M_1$
C
$M_2 > M_1 > M_3$
D
$M_2 > M_3 > M_1$

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If the $u_{rms}$ value of a gas at $27\,^oC$ is $30\,R^{1/2}$,then the molar mass of the gas is ........... $kg/mol$.

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Which of the following changes can be made in order to double the root mean square speed,$(V_{rms})$,of a gas kept in a rigid container?

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Case $-1:$ An ideal gas of molecular weight $M$ at temperature $T$.
Case $-2:$ Another ideal gas of molecular weight $2M$ at temperature $T/2$.
Identify the correct statement in the context of the above two cases.

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The average velocity of gas molecules is equal to ...... .

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What would be the ratio of the root mean square velocity of hydrogen gas at $50 \ K$ and that of oxygen at $800 \ K$?

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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?

Similar Questions

If the $u_{rms}$ value of a gas at $27\,^oC$ is $30\,R^{1/2}$,then the molar mass of the gas is ........... $kg/mol$.

Which of the following changes can be made in order to double the root mean square speed,$(V_{rms})$,of a gas kept in a rigid container?

Case $-1:$ An ideal gas of molecular weight $M$ at temperature $T$.Case $-2:$ Another ideal gas of molecular weight $2M$ at temperature $T/2$.Identify the correct statement in the context of the above two cases.

The average velocity of gas molecules is equal to ...... .

What would be the ratio of the root mean square velocity of hydrogen gas at $50 \ K$ and that of oxygen at $800 \ K$?

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Case $-1:$ An ideal gas of molecular weight $M$ at temperature $T$.
Case $-2:$ Another ideal gas of molecular weight $2M$ at temperature $T/2$.
Identify the correct statement in the context of the above two cases.