F2+NaoH NaF+OF, T +H2O Cl+2Naoh == nacl+Naclo+ho >80°C 3C1+nAoh=- nacl +Naclo,+ 3Ho 0oC NaBr+Nabro+H,O Br+Naoh 50oc NaBr+NaBrO,+HO 312+6NaoH-5Nal+NaIo3+3H2O (CN)2+2NaOH-NaCN+NaOCN+H2OF2+NaOH == NaF+OF2↑+H2O （CN)2+2NaOH→NaCN+NaOCN+H2O Cl2+2NaOH == NaCl+NaClO+H2O Br2+NaOH 50 oC NaBr+NaBrO3+H2O 0 oC NaBr+NaBrO+H2O 3I2+6NaOH→5NaI+NaIO3+3H2O >80oC 3Cl2+6NaOH == 5NaCl +NaClO3+ 3H2O