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NEET levelSingle correct optionDifficulty 1 of 3si250

The compound shown gives a yellow precipitate with /NaOH. Which of the structures shown does NOT give the iodoform test?

  1. AStructure A
  2. BStructure B
  3. CStructure C
  4. DStructure D

Answer: B

The iodoform test needs or . A (butan-2-ol), C (acetophenone) and D (ethanol) have these groups. B (pentan-3-one) has only groups, so no yellow precipitate.
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