CH4 + Cl2 -> CH3Cl + HClCH3Cl + NaOH -> CH3OH + NaCl2CH3OH -> HCOH + H2OHCOH -> HCOOHHCOOH -> CO2 + H2O
CH4 + Cl2 -> CH3Cl + HCl
CH3Cl + NaOH -> CH3OH + NaCl
2CH3OH -> HCOH + H2O
HCOH -> HCOOH
HCOOH -> CO2 + H2O