The Reaction A₂ + B₂ ⇌ 2 AB Has an Equilibrium

question 151

Multiple Choice

The reaction A₂ + B₂ ⇌ 2 AB has an equilibrium constant K_c = 1.8.The following pictures represent reaction mixtures that contain A₂ molecules (shaded) and B₂ molecules (unshaded) ,and AB molecules.Which reaction mixture is at equilibrium?

• A)reaction mixture (1)
• B)reaction mixture (2)
• C)reaction mixture (3)
• D)reaction mixture (4)

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