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What would be the rate of diffusion of hydrogen compared to methane?

What would be the rate of diffusion of hydrogen compared to methane?

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Answer #1

According to Graham's law of diffusion , the diffusion rate of a gas is inversly proportional to the square root of its molecular weight or molar mass.

rate1/rate2= mass1/mass2

it means the lighter the mass of gas ,then it will diffuse faster than gas with larger molar mass.

here methane CH4 is large molecule when compared to hydrogen gas H2. Hence hydrogen will diffuse faster than methane.

due to the larger shape of methane there will be more collisions which leads to slower diffusion .

so H2 ha smore diffusion than CH4

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