Question:medium

Among Al₂O₃, SiO₂, P₂O₃ and SO₂ the correct order of acidic strength is:

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Acidity of oxides increases from metals to non-metals.

Updated On: Mar 18, 2026

Al₂O₃ < SiO₂ < SO₂ < P₂O₃
SiO₂ < SO₂ < Al₂O₃ < P₂O₃
SO₂ < P₂O₃ < SiO₂ < Al₂O₃
Al₂O₃ < SiO₂ < P₂O₃ < SO₂

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The Correct Option is D

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