engineering chemistry MCQ #2133

The equilibrium constant for the reaction H2 + I2 ⇌ 2HI is 50. What is the equilibrium constant for 2HI ⇌ H2 + I2?

engineering chemistry MCQ #2133

  1. Question 1

    Q1. The equilibrium constant for the reaction H2 + I2 ⇌ 2HI is 50. What is the equilibrium constant for 2HI ⇌ H2 + I2?

    • A) 1/50
    • B) 1/√50
    • C) 50
    • D) 50²

    Answer: 1/50

    Explanation: When the reaction is reversed, Kc becomes 1/Kc, so Kc = 1/50