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The ratio of the rate of diffusion of a ...

The ratio of the rate of diffusion of a sample of `N_(2)O_(4)` partially dissociated in to `NO_(2)` to pure hydrogen was found to be `1:5` . Calculate the degree of dissociation of `N_(2)O_(4)`.

A

`0.84`

B

`0.54`

C

`0.42`

D

`0.64`

Text Solution

Verified by Experts

The correct Answer is:
1

`(M_(mix))/(M_(H_(2)))=25`
`M_(mixture)=50`
`{:(N_(2)O_(4)(g),hArr,2NO_(2)(g),,),(a,,,,),(a,,2aalpha,,):}`
`axx92=50xxa(1+alpha)`
`alpha=(42)/(50)=0.84`
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