Draw the structure of 3-pentanone.


Draw the structure of 3-pentanone.

Parent Carbon Chains:

Drawing the structure of molecules involves determining the length of the parent carbon chain from prefixes. For example, the "meth" prefix tells us a carbon chain is one carbon long and "eth" tells us it is two carbons long. Other common lengths and prefixes are:

  • 3 carbons: "prop"
  • 4 carbons: "but"
  • 5 carbons: "pent"
  • 6 carbons: "hex"

Answer and Explanation: 1

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We are asked to draw the structure of 3-pentanone. The "one" ending tells us this is a ketone, which means there is a carbonyl (C=O)...

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Naming Organic Compounds: Rules & Practice


Chapter 15 / Lesson 6

Learn about IUPAC naming for organic compounds and molecules. Understand functional groups tables, use IUPAC name charts, and see IUPAC name examples.

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