F2+Cl2(等体积)===2ClF (ClF属于类卤素：ClF+H2O==HF+HClO )

3F2(过量)+Cl2===2ClF3 (ClF3+3H2O==3HF+HClO3 )

3Cl2+2P= 2PCl3 Cl2+PCl3= PCl5

Cl2+2Na =2NaCl

Cl2+Cu= CuCl2

Cl2+2FeCl2===2FeCl3 (在水溶液中： Cl2+2Fe2+===2Fe3++3Cl )

Cl2+2NaBr===2NaCl+Br2 Cl2+2Br =2Cl +Br2