The ratio of the rate of diffusion of he...

The ratio of the rate of diffusion of helium and methane under identical conditions of pressure and temperature will be

A

4

B

2

C

1

D

`0.5`

Verified by Experts

The correct Answer is:

D

`(r_(CH_(4)))/(r_(He)) =sqrt((m_(He))/(m_(CH_(4)))) = sqrt(4/16) = 1/2 `
`r_(He) = 2rCH_(4)`

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