CH4 + Cl2 -> CH3Cl + HClCH3Cl + C2H6 -> C2H4 + CH4C2H4 + Cl2 -> C2H4Cl2C2H4Cl2 + NaOH -> C2H5Cl + NaCl + H2O
CH4 + Cl2 -> CH3Cl + HCl
CH3Cl + C2H6 -> C2H4 + CH4
C2H4 + Cl2 -> C2H4Cl2
C2H4Cl2 + NaOH -> C2H5Cl + NaCl + H2O