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WAEC Chemistry 2011 Objective — Question 45

Question 45 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.

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The compound that makes palm wine taste sour after exposure to the air for few days is

  • A. A. ethanol
  • B. B. ethanoic acidCorrect
  • C. C. methanol
  • D. D. methanoic acid

Explanation

Ethanoic acid is produced when bacteria in the wine convert the ethanol present into ethanoic acid, which has a sour taste.

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