Chemical EquilibriumhardMCQ MULTIPLE

Consider the fundamental equilibrium with a known equilibrium constant . Which of the following relaChemical Equilibrium Chemistry Question

Question

Consider the fundamental equilibrium $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$ with a known equilibrium constant $K_1$. Which of the following relationships is/are correct for the given modified forms of this reaction?

Answer: A,B

💡 Solution & Explanation

When a reaction is reversed, the new equilibrium constant is the inverse ($1/K$). When multiplied by a factor $n$, the new constant is raised to the power $n$ ($K^n$). For option A, the reaction is reversed and multiplied by $1/2$, so $K_2 = (1/K_1)^{1/2} = (K_1)^{-1/2}$. For option B, the reaction is multiplied by $2$, so $K_3 = (K_1)^2$. Options C and D misapply these rules.

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