Ch4-ch3cl-c2h6-c2h5cl-c2h5oh-co2
CH4 + Cl2 = CH3Cl + HCl 2CH3Cl + 2Na = CH3-CH3 + 2NaCl CH3-CH3 + Cl2 = CH3-CH2Cl + HCl CH3-CH2Cl + H2O = CH3-CH2OH + HCl 2C2H5OH + 3O2 = 4CO2+ 5H2O