engineering chemistry MCQ #2177

For the reaction H2 + I2 ⇌ 2HI, if Kc = 50, what is the value of Kc for 2HI ⇌ H2 + I2?

engineering chemistry MCQ #2177

  1. Question 1

    Q1. For the reaction H2 + I2 ⇌ 2HI, if Kc = 50, what is the value of Kc for 2HI ⇌ H2 + I2?

    • A) 50
    • B) 1/50
    • C) 25
    • D) 1/25

    Answer: 1/50

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