а) Br2 + H2 = 2HBr
2HBr + K2O =2Kbr +H2o
2KBr + Cl2 = Br2 +2Kcl
б) 3Cl2 +2Fe = 2FeCl3
Fecl3 +3KOH = Fe(OH)3 +3KCl
а) Br2 + H2 = 2HBr
2HBr + K2O =2Kbr +H2o
2KBr + Cl2 = Br2 +2Kcl
б) 3Cl2 +2Fe = 2FeCl3
Fecl3 +3KOH = Fe(OH)3 +3KCl