CH3-CH3 + Cl2 --h.niu--> CH3-CH2Cl + HCl,
1 derivat monohalogenat
CH3-CH3 + 2Cl2 --h.niu--> CH3-CHCl2 + 2HCl,
CH3-CH3 + 2Cl2 --h.niu--> CH2Cl-CH2Cl + 2HCl,
2 derivati dihalogenat
CH3-CH3 + 3Cl2 --h.niu--> CH3-CHCl3 + 3HCl,
CH3-CH3 + 3Cl2 --h.niu--> CH2Cl-CHCl2 + 3HCl,
2 derivati tri halogenat
=> a. si d.