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JAMB Chemistry 1992 Question 33

Question 33

Nitrogen and its Compounds

Which of the following oxides of nitrogen is unstable in air?

  1. A.NO2
  2. B.NO
  3. C.N2O4
  4. D.N2O5.
Show the answer and explanation

Answer: B (NO)

Explanation

Nitrogen(II) oxide reacts at once with oxygen in air to form brown NO2: 2NO + O2 → 2NO2.