Al(OH)3- Al2O3-AlCl3-Al2(SO4)3-Al(OH)3-AlCl3-Al
1. 2Al(OH)3 = Al2O3 + 3H2O 2. Al2O3 + 6HCl = 2AlCl3 +3H2O 3. 2AlCl3 + 3Na2SO4 = Al2(SO4)3 + 6NaCl 4. Al2(SO4)3 + 6KOH = 3K2SO4 + 2Al(OH)3 5. Al(OH)3 + 3NaCl = AlCl3 + 3NaOH 6. 2AlCl3 = 2Al + 3Cl2