1. CH3COONa + NaOH(над стрелкой "спекание",t)-->CH4 + Na2CO3
2.CH4 + Cl2--> CH3Cl + HCl
3.a)СH3Cl+ 2Na +CH3Cl--> C2H6 + 2NaCl
б)C2H6+Cl2-->C2H5Cl+HCl
в)C2H5Cl+Na-->C4H10+NaCl
г) C4H10+Cl2-->C4H9Cl+HCl
д)C4H9Cl+Na-->C8H18+NaCl
4.C8H18 (над стрелкой "кат.", t)--> C8H16 + H2
5. C8H16 + 12O2 --> 8CO2 + 8H2O