Among Al₂O₃, SiO₂, P₂O₃ and SO₂ the correct order of acid strength is
(a) Al₂O₃ < SiO₂ < SO₂ < P₂O₃
(b) SiO₂ < SO₂ < Al₂O₃ < P₂O₃
(c) SO₂ < P₂O₃ < SiO₂ < Al₂O₃
(d) Al₂O₃ < SiO₂ < P₂O₃ < SO₂
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Answer:
A is the correct order because if we more to periodic table acidic increases
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