Question

Al → Al2O3 → Al2(SO4)3 → Al(OH)3 → KAlO2 → Al(OH)3

Answer 1

4Al + 3O₂ = 2Al₂O₃

Al₂O₃ + H₂SO₄ = Al₂(SO₄)₃ + H₂O

Al₂(SO₄)₃ + 6NaOH = 2Al(OH)₃ + 3Na₂SO₄

Al(OH)₃ + KOH = KAlO₂+ 2H₂O

2KAlO₂ + CO₂ + 3H₂O = 2Al(OH)₃ + K₂CO₃