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NEET levelSingle correct optionDifficulty 1 of 3nm061

The IUPAC name of is:

  1. A1-formylpropan-2-one
  2. Bbutane-1,3-dione
  3. C2-oxobutanal
  4. D3-oxobutanal

Answer: D

The aldehyde is senior to the ketone, so the CHO carbon is C-1 and the chain has four carbons. The ketone carbon is C-3 and is cited as oxo. The name is 3-oxobutanal.
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