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EquilibriumMCQ

Consider these reactions and their corresponding Ks. ½N2 + O2 → NO2 K1 2NO2 → 2NO + O2 K2 NOBr → NO Equilibrium Chemistry Question

Question

Consider these reactions and their corresponding Ks.
½N2 + O2 → NO2 K1
2NO2 → 2NO + O2 K2
NOBr → NO + ½Br2 K3
Express the K value for the reaction below in terms of K1, K2, and K3.
½N2 + ½O2 +½Br2 → NOBr K = ?

A.

K1 + K2/2 – K3

B.

K1 + (K2)1/2 – K3

C.

K1K2/2K3

D.

K1(K2)1/2/K3

✓ Correct
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