CO2 = C + O2
C + 2H2 = CH4
CH4 + Cl2 =CH3Cl + HCl
2CH3Cl + 2Na = C2H6+2NaCl
C2H6 + Cl2 = C2H5Cl + HCl
CO2 = C + O2
C + 2H2 = CH4
CH4 + Cl2 =CH3Cl + HCl
2CH3Cl + 2Na = C2H6+2NaCl
C2H6 + Cl2 = C2H5Cl + HCl