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  • Chemistry question (equilibrium expression)?

    Which of the following has an equilibrium expression with a only a "1" in the denominator?

    a. 2 O3 (g) <----> 3 O2 (g)

    b. MgCO3(s) <----> CO2 (g) + MgO (s)

    c. C (s) + 2 Cl2 (g) <----> 2 CCl4 (g)

    d. 2 SO3 (g) <----> 2 SO2 (g) + O2 (g)

    I know that the answer is B, but can someone briefly explain why please?

    Much appreciated =)

    2 AnswersChemistry1 decade ago