WAEC Chemistry 2020 Objective — Question 4
Question 4 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.
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Which of the following products could be formed during incomplete combustion of a hydrocarbon? I. Carbon II. Carbon (II) Oxide (Hydrogen)
- A. I only
- B. I and II onlyCorrect
- C. I, II and III only
- D. II and III only
Explanation
Complete combustion of a hydrocarbon produces CO2 and H2O. For incomplete combustion, carbon (soot) and CO may be produced, as incomplete combustion products are Carbon and Carbon (II) oxide.
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