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JAMB Chemistry 2002 Question 41

Question 41

Alkanals and Alkanones

The intermediate product formed when ethanol is progressively oxidized to ethanoic acid with potassium heptaoxodichromate (VI) is

  1. A.butanal
  2. B.ethanal
  3. C.methanal
  4. D.propanal
Show the answer and explanation

Answer: B (ethanal)

Explanation

Ethanol is first oxidised to ethanal (CH3CHO), which is then oxidised further to ethanoic acid (CH3COOH).