What is the IUPAC name for the compound with the structure CH3-CH2-CO-CH3?
Correct Answer: Butan-2-one
- Step 1: Identify the structure of the compound. The structure is CH3-CH2-CO-CH3.
- Step 2: Count the number of carbon atoms in the compound. There are 4 carbon atoms.
- Step 3: Determine the functional group. The compound has a carbonyl group (C=O), which indicates it is a ketone.
- Step 4: Identify the position of the carbonyl group. The carbonyl group is on the second carbon in the chain.
- Step 5: Name the longest carbon chain. The longest chain with the carbonyl group is butane (4 carbons).
- Step 6: Combine the information to form the IUPAC name. Since the carbonyl group is on the second carbon, the name is Butan-2-one.
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