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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

The correct Answer is:
A
`(r_(CH_(2)))/(r_(x)) = sqrt((M_(x))/(M_(CH_(4))))`
`2 = sqrt((M_(x))/(16))`
`M_(x) = 64`
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