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What is the IUPAC name of the compound shown?

  1. A3-bromopropan-1-ol
  2. B1-bromopropan-3-al
  3. C2-bromopropanal
  4. D3-bromopropanal

Answer: D

The compound is 3-bromopropanal. The aldehyde carbon is always C1, so the bromine is at C3. The name 1-bromopropan-3-al wrongly numbers from the halogen end.
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