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N(2)O(3) is an unstable oxide of nitroge...

`N_(2)O_(3)` is an unstable oxide of nitrogen and it decomposes into NO (g) and `NO_(2)(g)`where `NO_(2)(g)` is further dimerise dimerise into `N_(2)O_(4)` as
`N_(2)O_(3)(g)hArrNO_(2)(g)+NO(g)" ",K_(p_(1)=2.5` bar
`2NO_(2)(g)hArrN_(2)O_(4)(g)" ": K_(P2)`
A flask is initially filled with pure `N_(2)O_(3)(g)` having pressure `2` bar and equilibria was established.
At equilibrium partial pressure of NO (g) was found to be `1.5` ber.
The equilibrium partial presure of `NO_(2)(g)` is:

A

6.6 bar

B

3.3bar

C

4.23 bar

D

8.3 bar

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