The tetra-substituted double bond is 2,3-dimethyl-2-pentene.This is the only alkene possible with 7C and tetrasubstituted on the double bond.
Tetrasubstituted alkenes are alkenes in which the double-bond carbons in the molecule are exclusively attached to a total of four carbon atoms. Illustrated Glossary of Organic Chemistry - Tetra Substituted. Tetrasubstituted: A molecule or functional group in which four hydrogen atoms have been replaced by another atom or group.
Monosubstituted alkenes are alkenes in which the double bond carbons are attached to only one carbon and are mutually exclusive. If the alkene has only one double bond and the double bond is terminal the name does not need to be preceded by a number. Alkenes have a substituent with a hydrogen atom attached to the carbon of the double bond. The more substituents an alkene has, the more stable it is. Therefore, tetrasubstituted alkenes are more stable than trisubstituted alkenes.
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