Phương trình các phản ứng xảy ra:
a)
$MnO_2+4HCl → MnCl_2+Cl_2+2H_2O$
$2Fe+3Cl_2 → 2FeCl_3$
$FeCl_3+3NaOH → Fe(OH)_3+3NaCl$
$2NaC{l_{tinh\,\,thể}} + {H_2}S{O_{4\,\,đặc\,\,nóng}} \to N{a_2}S{O_4} + 2HCl$
$CuO+2HCl → CuCl_2+H_2O$
$CuCl_2+2AgNO_3 → Cu(NO_3)_2+2AgCl$
b)
$2KMnO_4+16HCl → 2KCl+2MnCl_2+5Cl_2+8H_2O$
$Cl_2+H_2 → 2HCl$
$Fe_2O_3+6HCl → 2FeCl_3+3H_2O$
$FeCl_3+3AgNO_3 → Fe(NO_3)_3+3AgCl$
$2AgCl → 2Ag+Cl_2$
$2NaBr+Cl_2 → 2NaCl+Br_2$
$Br_2+2NaI → 2NaBr+I_2$
c)
$2KMnO_4+16HCl → 2KCl+2MnCl_2+5Cl_2+8H_2O$
$Cl_2+H_2 → 2HCl$
$Fe+2HCl →FeCl_2+H_2$
$FeCl_2+2AgNO_3 → Fe(NO_3)_2+2AgCl$
$2AgCl\xrightarrow{{{t^o}}}2Ag + C{l_2}$
d)
$MnO_2+4HCl → MnCl_2+Cl_2+2H_2O$
$2Fe+3Cl_2→2FeCl_3$
$FeCl_3+3NaOH → Fe(OH)_3+3NaCl$
$2Fe(OH)_3+3H_2SO_4 → Fe_2(SO_4)_3+6H_2O$
e)
$MnO_2+4HCl → MnCl_2+Cl_2+2H_2O$
$2Na+Cl_2 → 2NaCl$
$2NaCl+H_2SO_4 → Na_2SO_4+2HCl$
$CuO+2HCl → CuCl_2+H_2O$
$CuCl_2+2AgNO_3 → Cu(NO_3)_2+2AgCl$
$2AgCl\xrightarrow{{{t^o}}}2Ag + C{l_2}$
f)
$MnO_2+4HCl → MnCl_2+Cl_2+2H_2O$
$3Cl_2+6KOH → 5KCl+KClO_3+3H_2O$
$2KCl{O_3}\xrightarrow{{{t^o}}}2KCl + 3{O_2}$
$2KCl+H_2SO_4 → K_2SO_4+2HCl$
$MnO_2+4HCl → MnCl_2+Cl_2+2H_2O$
$Cl_2+Ca(OH)_2 → CaOCl_2+H_2O$
