Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Main Group Elements and Their Compounds

Which one of the following is the correct order of increasing acidic nature of oxides?

1

SiO₂ < Al₂O₃ < Cl₂O₇

2

SiO₂ < SO₃ < Cl₂O₇

3

Al₂O₃ < SO₃ < Cl₂O₇

4

Cl₂O₇ < SiO₂ < SO₃ < Al₂O₃

5

Question Not Attempted

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