WAEC Chemistry 2025 Objective — Question 17
Question 17 of 50 from the West African Examinations Council (WAEC) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Ethanol could be prepared in the laboratory by
- A. reduction of ethanoic acid
- B. oxidation of primary alkanol
- C. oxidation of alkenes
- D. hydration of etheneCorrect
Explanation
Ethanol is typically prepared in the laboratory by hydration of ethene. This reaction involves adding water to ethene (C2H4) in the presence of a catalyst (e.g. phosphoric acid) to produce ethanol (C2H5OH).
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