\(2FeCl_2 + Cl_2 \rightarrow 2FeCl_3\)
\(FeCl_3 + 3NaOH \rightarrow Fe(OH)_3 + 3NaCl\)
\(2Fe(OH)_3 + 3H_2SO_4 \rightarrow Fe_2(SO_4)_3 + 6H_2O\)
\(Fe_2(SO_4)_3 + 3BaCl_2 \rightarrow 2FeCl_3 + 3BaSO_4\)
\(\left(1\right)FeCl_2+Cl_2\rightarrow FeCl_3.\)
\(\left(2\right)FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3+3NaCl\).
(3).\(2Fe\left(OH\right)_3+3H_2SO_4\rightarrow Fe_2\left(SO_4\right)_3+6H_2O\).
\(\left(4\right)Fe_2\left(SO_4\right)_3+3BaCl_2\rightarrow2FeCl_3+3BaSO_4\)
2FeCl2+Cl2→2FeCl32FeCl2+Cl2→2FeCl3
FeCl3+3NaOH→Fe(OH)3+3NaClFeCl3+3NaOH→Fe(OH)3+3NaCl
2Fe(OH)3+3H2SO4→Fe2(SO4)3+6H2O2Fe(OH)3+3H2SO4→Fe2(SO4)3+6H2O
Fe2(SO4)3+3BaCl2→2FeCl3+3BaSO4