MDCAT Chemistry MCQ #5400

Nitrogen dioxide (NO2) is dissolved in cold water as part of an acid rain simulation. Which two acids are produced by this disproportionation?

MDCAT Chemistry MCQ #5400

  1. Question 1

    Q1. Nitrogen dioxide (NO2) is dissolved in cold water as part of an acid rain simulation. Which two acids are produced by this disproportionation?

    • A) Nitric acid and Nitrous acid
    • B) Nitric acid and Nitric oxide
    • C) Nitrous acid and Nitrogen gas
    • D) Nitric acid only

    Answer: Nitric acid and Nitrous acid

    Explanation: NO2 reacts with water to give both HNO3 and HNO2; purely HNO3 is tempting but requires the presence of excess oxygen.