MDCAT Chemistry MCQ #5149

For the reaction 2NO2 → 2NO + O2, the rate of disappearance of NO2 is 0.02 M/s. What is the rate of appearance of O2?

MDCAT Chemistry MCQ #5149

  1. Question 1

    Q1. For the reaction 2NO2 → 2NO + O2, the rate of disappearance of NO2 is 0.02 M/s. What is the rate of appearance of O2?

    • A) 0.01 M/s
    • B) 0.02 M/s
    • C) 0.04 M/s
    • D) 0.005 M/s

    Answer: 0.01 M/s

    Explanation: Rate of appearance of O2 = (1/2) × rate of disappearance of NO2 = 0.01 M/s.