1.

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:

Answer»

`58.72`
`76.5`
`62.2`
`82.4`

SOLUTION :`0.65xx92+1.70xx46=Mxx2.35`
`:. M=58.72`


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