Metan+clor —> in prezenta luminii...!!!!
CH4 + Cl2 => CH3Cl + HCl
CH4 + 2Cl2 => CH2Cl2 + 2HCl
CH4 + 3Cl2 => CHCl3 + 3HCl
CH4 + 4Cl2 => CCl4 + 4HCl
Butan+oxigen —>
C4H10 + 13/2O2 => 4CO2 + 5H2O