Genetic relationship between hydrocarbons. How does it manifest itself?

To solve the problem, let’s compose a chain of transformations for hydrocarbons:
C2H6 – C2H4 – C2H2 – C6H6.
Let’s write the equations:
C2H6 = C2H4 + H2 – reaction of ethane dehydrogenation, ethylene was obtained;
C2H4 = C2H2 + H2 – ethylene dehydrogenation, acetylene is released;
3C2H2 = C6H6 – trimerization, benzene was formed.
These reactions show the bond between alkanes, alkenes, alkynes and aromatic hydrocarbons. The reaction products are of practical importance, for example, benzene is used as an additive to motor fuel for ignition.



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