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JAMB Chemistry 1986 Question 28

Question 28

Hydrogen, Oxygen and Oxides

Which of the following will react further with oxygen to form a higher oxide?

  1. A.NO and H2O
  2. B.CO and CO2
  3. C.SO2 and NO
  4. D.CO2 and H2O.
Show the answer and explanation

Answer: C (SO2 and NO)

Explanation

SO2 can be oxidised to SO3, and NO reacts with oxygen to give NO2. CO2 and H2O are already the highest oxides.