STANDARDChemistry-Periodic Table
STANDARD Chemistry Acidic and Basic Nature MCQ Question
Type: MCQ-conceptual-Medium
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
Correct Answer
Option D
Detailed Explanation
With decrease in size from Al to S the basic nature of oxide decrease and acidic nature increases.
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