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The rate of diffusion of methane at a gi...

The rate of diffusion of methane at a given temperature is twice that of a gas `X`. The molecular weight of `X` is

A

`64.0`

B

`32.0`

C

`4.0`

D

`8.0`

Text Solution

Verified by Experts

`(r_("methane"))/(r_(gas))=sqrt((M_(gas))/(M_("methane")) `(Graham's law)
or `2=sqrt((M_(gas))/(16))`
or `M_(gas)=64`
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