Al=Al2O3=Al2 (SO4)3=Al (OH)3=AlCl3=Al

Question

Al=Al2O3=Al2 (SO4)3=Al (OH)3=AlCl3=Al

Answer 1

4Al+3O2=2Al2O3

Al2O3+3H2SO4=Al2(SO4)3+3H2O

Al2(SO4)3+6KOH=3K2SO4+2Al(OH)3

2Al(OH)3=(t)Al2O3+3H2O

Al2O3+6HCl=2AlCl3+3H2O

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