CHUỖI PHẢN ỨNG
Fe\(\underrightarrow{\left(1\right)}\)FeCl3\(\underrightarrow{\left(2\right)}\)Fe(OH)3\(\underrightarrow{\left(3\right)}\)Fe2O3\(\underrightarrow{\left(4\right)}\)Fe(SO4)3
Al\(\underrightarrow{\left(1\right)}\)AlCl3\(\underrightarrow{\left(\text{2}\right)}\)Al(NO3)3\(\underrightarrow{\left(\text{3}\right)}\)Al(OH)3\(\underrightarrow{\left(\text{4}\right)}\)Al2O3
Al\(\underrightarrow{\left(\text{5}\right)}\)Al2O3\(\underrightarrow{\left(\text{6}\right)}\)Al\(\underrightarrow{\left(\text{7}\right)}\)Al(SO4)3\(\underrightarrow{\left(\text{8}\right)}\)AlCl3
\(\left(1\right)2Fe+3Cl_2\xrightarrow[t^0]{}2FeCl_3\\ \left(2\right)FeCl_2+3NaOH\rightarrow Fe\left(OH\right)_3+3NaCl\\ \left(3\right)2Fe\left(OH\right)_3\xrightarrow[t^0]{}Fe_2O_3+3H_2O\\ \left(4\right)Fe_2O_3+3H_2SO_4\rightarrow Fe_2\left(SO_4\right)_3+3H_2O\)
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\(\left(1\right)2Al+3Cl_2\rightarrow2AlCl_3\\ \left(2\right)AlCl_3+3AgNO_3\rightarrow Al\left(NO_3\right)_3+3AgCl\\ \left(3\right)Al\left(NO_3\right)_3+3NaOH\rightarrow Al\left(OH\right)_3+3NaNO_3\\ \left(4\right)2Al\left(OH\right)_3\xrightarrow[t^0]{}Al_2O_3+3H_2O\\ \left(5\right)Al_2O_3+3CO\xrightarrow[]{t^0}2Al+3CO_2\\ \left(6\right)4Al+3O_2\xrightarrow[]{t^0}2Al_2O_3\\ \left(7\right)2Al+3H_2SO_4\xrightarrow[]{}Al_2\left(SO_4\right)_3+3H_2\\ \left(8\right)Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow2AlCl_3+3BaSO_4\)
