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Chemistry LibreTexts

Symmetrical Alkene

[ "article:topic", "authorname:ggunawardena" ]
  • Page ID
    42978
  • A symmetrical alkene is an alkene in whose molecule the doubly bonded carbons bear the same ligands.

    eg. 1:

     

     

     

    In 1, each double bonded carbon bears two methyl groups.  Thus, 1 is a symmetrical alkene.

    eg. 2:

     

     

     

    In 2, each doubly bonded carbon bears a methyl group and a hydrogen atom.  Thus, 2 is a symmetrical alkene.

    eg. 3:

     

     

     

    In 3, each doubly bonded carbon bears a methyl group and a hydrogen atom.  Thus, 3 is asymmetrical alkene.

    In an organic molecule a carbon-carbon double bond in which the carbon atoms bear the same ligands is called a symmetrical double bond.

    eg:

     

     

     

    see also unsymmetrical alkene