What is the expression for the equilibrium constant (Kc) for the following reaction? N2(g) + O2(g) ⇌ 2NO(g)

What is the expression for the equilibrium constant (K_c) for the following reaction? N_2(g) + O_2(g) ⇌ 2NO_(g)

A \(\frac{[NO^2]}{[N^2] + [O^2]}\)
B \(\frac{[2NO]^2}{[N_2][O_2]}\)
C \(\frac{[N_2] + [O_2]}{2[NO]^2}\)
D \(\frac{[NO]^2}{[N_2][O^2]}\)

waec 2002 chemistry

The correct answer is D. \(\frac{[NO]^2}{[N_2][O^2]}\)

No explanation given

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