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Ethanol reacts with excess acidified K\(_2\)Cr\(_2\)O\(_7\) to produce

Chemistry
JAMB 2003

Ethanol reacts with excess acidified K\(_2\)Cr\(_2\)O\(_7\) to produce

  • A. ethanedioic acid
  • B. ethanal
  • C. ethylethanoate
  • D. ethanoic acid
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Correct Answer: Option D
Explanation

When ethanol reacts with excess acidified potassium dichromate, it produces ethanoic. This reaction occurs in two steps: 

  1. Ethanol to ethanal: Ethanol is oxidized to ethanal.
  2. Ethanal to ethanoic acid: Ethanal is oxidized to ethanoic acid.Potassium dichromate is a strong oxidizing agent. During the reaction, the color changes from orange to green.

There is an explanation video available below.


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Explanation Video

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