What is the IUPAC name of ?

Answer and explanation

Correct answer: C. Propanone

  1. Step 1: Identify the longest continuous chain: carbon atoms gives the parent root 'propan-'.
  2. Step 2: Identify the functional group: a non-terminal carbonyl group () at carbon 2 designates a ketone with suffix '-one'.
  3. Step 3: Combining the root and suffix gives the systematic IUPAC name: Propanone.
Answer
Propanone.

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