KMnO4 - Cl2- HCl-FeCl2- Agcl-Cl2-Br2-I2-ZnI2-Zn(NO3)-Zn(OH)2 CHƯƠNG HALOGEN
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2KMnO4+16HCl-> 2KCl+2MnCl2+5Cl2+8H2O
Cl2+H20->HCl+HClO
2HCl+Fe->FeCl2+H2
FeCl2+2AgNO3->Fe(NO3)2+2AgCl
2AgCl->(To) 2Ag+Cl2
Cl2+2KBr->2KCl+Br2
Br2+2NaI->2NaBr+I2
I2+Zn->ZnI2
ZnI2+2AgNO3->Zn(NO3)2+2AgI
Zn(NO3)2+2NaOH->Zn(OH)2+2NaNO3