Alkenes are unsaturated hydrocarbons. By saturated hydrocarbons it means alkanes have single hydrogen and carbon atoms in their chemical formula. Alkenes are organic compounds that are generally only comprised of hydrogen and carbon atoms.
In other words an alkane consists of hydrogen and carbon atoms arranged in a tree structure in which all the carboncarbon bonds are single.
Alkenes are unsaturated hydrocarbons. CnH2n What is the general formula of the alkenes. Formula of alkane is C n H 2n2. In organic chemistry an alkane or paraffin a historical name that also has other meanings is an acyclic saturated hydrocarbon.