Answer :

Alkenes' sp2 hybridized carbon atoms are linked to alkyl groups, which have an impact on the stability of double bonds.

The diverse alkyl groups that are attached to the sp2 hybridized carbon atoms frequently have an impact on the chemical reactivity of alkenes as well. As a result, categorizing alkenes according to the number of alkyl groups connected to the C=C structural unit is particularly helpful. The degree of substitution is the term for this characteristic.

A monosubstituted alkene has a single alkyl group linked to the double bond's sp2 hybridized carbon atom. A terminal alkene is a type of alkene that has its double bond at the end of the chain of carbon atoms. Alkenes that have two, three, or four alkyl groups attached to the double bond's carbon atoms are di-, tri-, or tetra substituted, respectively.

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