The equilibrium constant for the reaction: 3C₂H₂ ⇌ C₆H₆ is 4.0 at T K. If the equilibrium concentrat — Chemical Equilibrium Chemistry Question
Question
The equilibrium constant for the reaction: 3C₂H₂ ⇌ C₆H₆ is 4.0 at T K. If the equilibrium concentration of C₂H₂ is 0.5 M, then the concentration of C₆H₆ at equilibrium is
Answer: A
💡 Solution & Explanation
The equilibrium constant is given by K_c = [C₆H₆] / [C₂H₂]³. Plugging in the knowns: 4.0 = [C₆H₆] / (0.5)³. This means [C₆H₆] = 4.0 × 0.125 = 0.5 M. Therefore, correct answer is A.
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