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Which of the following compounds is formed by the oxidation of ethanol?

Chemistry
WAEC 2024

Which of the following compounds is formed by the oxidation of ethanol?

  • A. C\(_2\)H\(_4\)CO\(_2\)H
  • B. C\(_2\)H\(_5\)OH
  • C. CH\(_3\)OH
  • D. CH\(_3\)CO\(_2\)H
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Correct Answer: Option D
Explanation

The oxidation of ethanol involves two steps: first, ethanol is oxidized to acetaldehyde (ethanal), and then acetaldehyde is further oxidized to acetic acid (ethanoic acid). 

Ethanol (CH\(_3\)CH\(_2\)OH) is oxidized to acetaldehyde (CH\(_3\)CHO). This process involves the removal of a hydrogen atom from the carbon atom that is bonded to the alcohol group (-OH). Acetaldehyde (CH\(_3\)CHO) is then further oxidized to acetic acid (CH\(_3\)COOH). This involves the addition of an oxygen atom to the carbon atom that is bonded to the aldehyde group (-CHO). Strong oxidizing agents like acidified potassium dichromate (K\(_2\)Cr\(_2\)O\(_7\)) or alkaline potassium permanganate (KMnO\(_4\)) are commonly used to oxidize ethanol. 


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