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Question

What are alkyl, aryl, aliphatic and aromatic groups?


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Solution

Alkyl groups

  • An alkyl group is obtained from a saturated hydrocarbon by removing a hydrogen atom from carbon.
  • An example of the alkyl group is a methylCH3 group.

Aryl groups

  • An aryl group always contains an aromatic ring.
  • An example of an aryl group is a phenylC6H5 group.

Aliphatic groups

  • An aliphatic compound or aliphatic hydrocarbon is an organic compound containing hydrogen and carbon atoms that are usually linked together in chains via single, double, or triple bonds.
  • An example of an aliphatic group is ethaneC2H6.

Aromatic groups

  • Aromatic compounds are usually cyclic due to the presence of the benzene ring in their structure.
  • The most common example of an aromatic compound is benzene.

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