Al>Al2O3>Al(OH)3>Al2(SO4)3

Question

Al>Al2O3>Al(OH)3>Al2(SO4)3

Answer 1

Al->Al2O3->Al(OH)3->Al2(SO4)3
1)4Al+3O2=2Al2O3
2)Al2O3 + 3H2O = 2Al(OH)3
3)2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O