N2 + O2 ↔ 2NO ____ K1
2NO + O2 ↔ 2NO2 ____ K2
NO2 ↔ 1/2 N2 + O2 ____ K3
K3 in terms of K1 and K2 will be
1
[1/K1 × K2]1/4
2
[1/K1 × K2]1/2
3
[K1 × 1/K2]1/2
4
[K1 × K2]1/2
N2 + O2 ↔ 2NO ____ K1
2NO + O2 ↔ 2NO2 ____ K2
NO2 ↔ 1/2 N2 + O2 ____ K3
K3 in terms of K1 and K2 will be