Alkenyl Group in Chemistry

The alkenyl functional group is a type of hydrocarbon functional group based on an alkene.
The alkenyl functional group is a type of hydrocarbon functional group based on an alkene. It is characterized by its double bond. Ben Mills
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Anne Marie Helmenstine, Ph.D.
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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Updated on July 03, 2019

An alkenyl group is a hydrocarbon group formed when a hydrogen atom is removed from an alkene group.

Alkenyl compounds are named by replacing the -e from the parent alkene's name with -yl.

Examples: H2C=CH- (ethenyl or commonly known as vinyl). The parent alkene was H2C=CH2, ethene.

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Helmenstine, Anne Marie, Ph.D. "Alkenyl Group in Chemistry." ThoughtCo, Aug. 25, 2020, thoughtco.com/definition-of-alkenyl-group-604764. Helmenstine, Anne Marie, Ph.D. (2020, August 25). Alkenyl Group in Chemistry. Retrieved from https://www.thoughtco.com/definition-of-alkenyl-group-604764 Helmenstine, Anne Marie, Ph.D. "Alkenyl Group in Chemistry." ThoughtCo. https://www.thoughtco.com/definition-of-alkenyl-group-604764 (accessed May 16, 2022).