Решить цепочку превращений: -ch3cooh-ch3coona-ch4-co2

CH₃-CH₃ + Cl₂ = CH₃-CH₂-Cl + HCl
2(CH₃-CH₂-Cl) + 2Na = CH₃-CH₂-CH₂-CH₃ + 2NaCl
2C₄H10 + 5O2 = 4CH₃-COOH + 2H₂O
CH₃-COOH + NaOH = CH₃-COONa + H₂O
CH₃-COONa + NaOH = CH₄ + Na₂CO₃
CH₄ + 2O₂ = CO₂ + 2H₂O