What is the equilibrium constant for the reaction
SO2(g) + NO2(9) = SO3(g) + NO(g)?

А. Keq: [S03)(S02]
[NO][NO2]

B. Keq: [SO2)(NO2]
[SO3)(NO]

C. Keq: [SO3)3(NO]
[SO2)2(NO2)2

D. Keq: [SO3)(NO]
[SO2]NO2]