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13.2 Exercise 6

Avg difficulty 2.5

Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2H2(g)⇌C6H6(g).3 \text{C}_{2} \text{H}_{2} \left(g\right) \rightleftharpoons \text{C}_{6} \text{H}_{6} \left(g\right) . Which value of Kc would make this reaction most useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answer.

OpenStax Chemistry 2e, 13.2 Equilibrium Constants, exercise 6

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.