Chemical EquilibriumhardMCQ SINGLE

Consider a series of reversible reactions occurring simultaneously: (), (), and (). What is the equiChemical Equilibrium Chemistry Question

Question

Consider a series of reversible reactions occurring simultaneously: $A \rightleftharpoons B$ ($K_1 = 2$), $B \rightleftharpoons C$ ($K_2 = 4$), and $C \rightleftharpoons D$ ($K_3 = 6$). What is the equilibrium constant for the overall reaction $A \rightleftharpoons D$?

Answer: C

💡 Solution & Explanation

When individual reactions are added together to form an overall reaction, their respective equilibrium constants are multiplied. The reaction $A \rightleftharpoons D$ is the sum of the three given reactions. Therefore, $K_{overall} = K_1 \times K_2 \times K_3 = 2 \times 4 \times 6 = 48$.

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