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The product of the reaction between ethanol and excess acidified K\(_2\)Cr\(_2\)O\(_7\) is

Chemistry
WAEC 1993

The product of the reaction between ethanol and excess acidified K\(_2\)Cr\(_2\)O\(_7\) is

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

When ethanol reacts with excess acidified potassium dichromate (K₂Cr₂O₇), the product is ethanoic acid (acetic acid). 

Acidified potassium dichromate is a strong oxidizing agent. It oxidizes ethanol (C₂H₅OH) to ethanoic acid (CH₃COOH). 

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