Consider the Following Reactions and Their Associated Equilibrium Constants For the Reaction a + 2B (⇌) D + E

Consider the following reactions and their associated equilibrium constants: $\begin{array}{ll}\mathrm{A}+2 \mathrm{~B} \leftrightharpoons \mathrm{C} & \mathrm{~K}_{1} \\\mathrm{C} \leftrightharpoons \mathrm{D}+\mathrm{E} & \mathrm{~K}_{2}\end{array}$ For the reaction A + 2B (⇌) D + E, having equilibrium constant K_c,

A) K_c = K₁ + K₂
B) K_c = K₁/K₂
C) K_c = K₁ - K₂
D) K_c = (K₁) (K₂)
E) K_c = K₂/K₁