ORGANIC CHEMISTRY Chapter 15 FeX or fe +Ⅹ +hX Reactivity F2>CI2> Br2>I Cl FeCl, or Fe cl +hcl 25°C Chlorobenzene (90 Br FeBra or Fe +B1 + HBr Bromobenzene (75%) Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 15 + X2 X + HX Reactivity F2 > Cl2 > Br2 > I2 FeX3 or Fe + Br2 Br + HBr Bromobenzene (75%) + Cl2 or Fe Cl + HCl Chlorobenzene (90%) FeBr3 FeCl3 25°C or Fe