1) СaCO₃ = CaO + CO₂ (t)
CaO + 3C = CaC₂ + CO (t)
CaC₂ + 2H₂O = Ca(OH)₂ + C₂H₂
3C₂H₂ = C₆H₆ (t, Kt=Cакт)
C₆H₆ + Br₂ = C₆H₅Br + HBr (Kt=FeBr₃,t)
2) C₂H₂ + H₂ --> C₂H₄ (Kt=Ni,t)
C₂H₄ + HCl --> C₂H₅Cl
2C₂H₅Cl + 2Na --> C₄H₁₀ + 2NaCl (t)
C₄H₁₀ ---> C₄H₈ (циклобутан)+ H₂ (Kt=AlCl₃,t)
C₄H₈ + 6O₂ --> 4CO₂ + 4H₂O
3) C₂H₄ + H₂O --> C₂H₅OH
2C₂H₅OH --> CH₂=CH-CH=CH₂ + 2H₂O + H₂ (t)
nCH₂=CH-CH=CH₂ ---> (-CH₂-CH=CH-CH₂-)n (t)
4) C₂H₅OH ---> C₂H₄ + H₂O (Kt=H₂SO₄,t)