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Vapour density of the equilibrium mixtur...

Vapour density of the equilibrium mixture of `NO_(2)` and `N_(2)O_(4)` is found to be 40 for the equilibrium `N_(2)O_(4) harr 2NO_(2)`. From this information answer the following
Percentage of `NO_(2)` in the mixture is

A

`26%`

B

`24%`

C

`28%`

D

`22%`

Text Solution

Verified by Experts

The correct Answer is:
A
`underset(1-alpha)(N_(2)O_(4)) harr underset(2alpha)(2NO_(2))`
`%=(2alpha)/(1+alpha)=(2 xx 0.15)/(1.15)=0.26`
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