Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule, an oxygen molecule hits the wall :

with greater average speed

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with smaller average speed

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with greater average kinetic energy

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with smaller average kinetic energy

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Solution

The correct option is B with smaller average speed
Considering the $V_{r m s}$ when the gas molecule are at room temperature
$V_{r m s} = \sqrt{\frac{3 k T}{m}}$

Hence, V is inversely proportional to m of the gas

and we know that
m of oxygen > m of hydrogen
v of oxygen < v of hydrogen

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Similar questions

Q. Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule an oxygen molecule hits the wall
(a) with greater average speed
(b) with smaller average speed
(c) with greater average kinetic energy
(d) with smaller average kinetic energy.

The average kinetic energy of hydrogen molecules at $300 K$ is $E$ . At the same temperature, the average kinetic energy of oxygen molecules will be

Q. If the average kinetic energy of a molecule of a hydrogen gas at

300

K is E, then the average kinetic energy of a molecule of a nitrogen gas at the same temperature is:

Q. Consider a collision between an oxygen molecule and a hydrogen molecule in a mixture of oxygen and hydrogen kept at room temperature. Which of the following are possible?
(a) The kinetic energies of both the molecules increase.
(b) The kinetic energies of both the molecules decrease.
(c) kinetic energy of the oxygen molecule increases and that of the hydrogen molecule decreases.
(d) The kinetic energy of the hydrogen molecule increases and that of the oxygen molecule decreases.

$E_{0} a n d E_{h}$ respectively represent the average kinetic energy of a molecule of oxygen and hydrogen. If the two gases are at the same temperature, which of the following statements is true?

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Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule, an oxygen molecule hits the wall :

The correct option is B with smaller average speedConsidering the Vrms when the gas molecule are at room temperatureVrms=√3kTmHence, V is inversely proportional to m of the gasand we know thatm of oxygen > m of hydrogenv of oxygen < v of hydrogen

The correct option is B with smaller average speed
Considering the $V_{r m s}$ when the gas molecule are at room temperature
$V_{r m s} = \sqrt{\frac{3 k T}{m}}$

Hence, V is inversely proportional to m of the gas

and we know that
m of oxygen > m of hydrogen
v of oxygen < v of hydrogen