CHUỖI PHẢN ỨNG HALOGEN KMnO4 KClO3 MnO2 K2Cr2O7 NaCl CaOCl2 NaClO FeCl3 31 30 Cl2 I2 40 41 Br2 42 HBrO 43 32 10 11 FeCl2 Fe(OH)2 12 FeO 13 14 FeCl2 15 34 33 44 NaBrO HI 18 36 NaI 37 AgI 38 I2 39 CaCl2 AlI3 22 24 NaClO3 27 CaOCl2 25 HClO 26 52 51 KIO3 Ag 21 Cl2 23 35 53 HBr 45 56 Br2 57 AgBr 46 58 47 HCl Cl2 48 KClO3 49 KCl H2SO4 60 62 HF 61 63 KOH SiF4 HBr 50 64 Cl2 54 59 SO2 $ Fe 17 AgCl 16 19 KCl 20 NaBr 65 Br2 55 OF2 66 67 PBr3 AlBr3 68 HBr 28 29 NaClO