Consider the gas-phase reaction G(g) ⇌ H(g) + I(g) for which at temperature T

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

Consider the gas-phase reaction G(g) ⇌ H(g) + I(g) for which Kc=2.0K_c = 2.0 at temperature T. Four identical containers (I–IV) at T contain the following numbers of particles. Container I: 7 G, 2 H, 2 I Container II: 4 G, 4 H, 2 I Container III: 5 G, 3 H, 5 I Container IV: 2 G, 5 H, 6 I Which container is most likely at equilibrium? (a) Container IV (b) Container I (c) Container II (d) Container III

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