engineering chemistry MCQ #2188

The equilibrium constant for the reaction 2SO2 + O2 ⇌ 2SO3 is 278 at 298K. For SO3 ⇌ SO2 + 1/2O2, K' is

engineering chemistry MCQ #2188

  1. Question 1

    Q1. The equilibrium constant for the reaction 2SO2 + O2 ⇌ 2SO3 is 278 at 298K. For SO3 ⇌ SO2 + 1/2O2, K' is

    • A) 1/√278
    • B) √(1/278)
    • C) 1/278
    • D) 278²

    Answer: 1/√278

    Explanation: For the reversed and halved reaction, K' = 1/√K, where K = 278.