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MDCAT Chemistry QUESTION #4360
Question 1
Acetaldehyde undergoes oxidation to produce acetic acid. In this reaction, the oxidizing agent used is:
  • HI
  • $LiAlH_4$
  • $K_2Cr_2O_7$✔️
  • $NaBH_4$
Correct Answer Explanation
$CH_3CHO$ is oxidized to $CH_3COOH$ (acetic acid). $K_2Cr_2O_7$ (potassium dichromate) is the oxidizing agent. $LiAlH_4$ and $NaBH_4$ are reducing agents.