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Post-UTME Chemistry 2017 Objective — Question 4

Question 4 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2017 Objective paper, with the correct answer and a full explanation.

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Palmwine exposed to the atmosphere for sometime becomes sour due to

  • A. oxidationCorrect
  • B. reduction
  • C. hydrolysis
  • D. hydration

Explanation

Exposure to air allows bacteria to oxidise the ethanol in palmwine to ethanoic (acetic) acid, making it sour.

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