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  • Which of the following gases have the highest average velocity at the same temperature?Option: 1 Hydrogen <img alt="\mathrm{

Which of the following gases have the highest average velocity at the same temperature?

Option: 1

Hydrogen \mathrm{(H_{2})}


Option: 2

Oxygen \mathrm{(O_{2})}


Option: 3

Nitrogen \mathrm{(N_2)}


Option: 4

Argon \mathrm{(Ar)}


Answers (1)

best_answer

Correct Option 1) Hydrogen \mathrm{(H_{2})}

According to Graham's law of diffusion, the rate of diffusion of a gas is inversely proportional to the square root of its molar mass. This means that at the same temperature, lighter gases will have higher average velocities compared to heavier gases.

The molar mass of hydrogen \mathrm{(H_{2})} is the lowest among the given options, so it will have the highest average velocity at the same temperature.

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Rishi

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