Which of the following is the correct structure for propan-2-one? (2020)

Which of the following is the correct structure for propan-2-one? (2020)

Step 1: Understand the name 'propan-2-one'. The 'propan' part indicates that the molecule has three carbon atoms.
Step 2: The '2-one' part tells us that there is a carbonyl group (C=O) on the second carbon atom.
Step 3: Draw three carbon atoms in a row: C-C-C.
Step 4: Place the carbonyl group (C=O) on the second carbon atom.
Step 5: Add hydrogen atoms (H) to the remaining bonds of the carbon atoms. The first and third carbon atoms will each have three hydrogen atoms, and the second carbon will have one hydrogen atom and the carbonyl group.
Step 6: Write the final structure as CH3COCH3, which shows that propan-2-one is also known as acetone.

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