engineering chemistry MCQ #2170

For the reaction CO + H2O ⇌ CO2 + H2, if Kc = 4, what is the value of Kc for CO2 + H2 ⇌ CO + H2O?

engineering chemistry MCQ #2170

  1. Question 1

    Q1. For the reaction CO + H2O ⇌ CO2 + H2, if Kc = 4, what is the value of Kc for CO2 + H2 ⇌ CO + H2O?

    • A) 4
    • B) 1/4
    • C) 1/2
    • D) 2

    Answer: 1/4

    Explanation: When a reaction is reversed, Kc becomes 1/Kc, so the new Kc = 1/4.