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The reaction of dimerisation of NO(2) in...

The reaction of dimerisation of `NO_(2)` in `N_(2)O_(4)` is `2NO_(2)hArrN_(2)O_(4)`. The reaction is carried out by taking `1` mole each of `NO_(2)` and `N_(2)O_(4)` in a closed vessel of `1` litre at `400 K`. The equilibrium pressure was found to be `77 atm`.
The molecular weight of `N_(2)O_(4)` in equilibrium mixture, when equilibrium pressure in `77` atm is:

A

`58.72`

B

`76.5`

C

`62.2`

D

`82.4`

Text Solution

Verified by Experts

`0.65xx92+1.70xx46=Mxx2.35`
`:. M=58.72`
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The reaction of dimerisation of NO_(2) in N_(2)O_(4) is 2NO_(2)hArrN_(2)O_(4) . The reaction is carried out by taking 1 mole each of NO_(2) and N_(2)O_(4) in a closed vessel of 1 litre at 400 K . The equilibrium pressure was found to be 77 atm . The ratio of partial pressures of NO_(2) and N_(2)O_(4) at equilibrium is:

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