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For the following equilibrium reaction N...

For the following equilibrium reaction `N_2O_4(g) iff 2NO_2 (g)`
`NO_2` is `50%` of the total volume at a given temperature. Hence, vapour density of the equilibrium mixture is ?

A

34.5

B

36.8

C

23

D

20

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The correct Answer is:
A
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