Question 14
Hydrogen, Oxygen and OxidesWhich of the following is a neutral oxide
- A.NO2
- B.Al2O3
- C.CO
- D.CO2
Show the answer and explanation
Answer: C (CO)
Explanation
CO reacts with neither acids nor alkalis, so it is neutral; NO2 and CO2 are acidic and Al2O3 is amphoteric.