Atomic StructureHard

Question

When the reaction, 2NO2(g)  ⇋ N2O4(g) reaches equilibrium at 298 K. The partial of NO2 and N2O4 are 0.2 KPa and 0.4 KPa, respectively. What is the equilibrium constant Kp of the above reaction at 298 K ?

Options

A.0.1
B.0.5
C.1.0
D.2

Solution

                       2NO2 ⇋ N2O4
At equilibrium    0.2 kPa     0.4 kPa
Kp = = 10

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