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Among Al ₂ O ₃, SiO ₂, P ₂ O ₃ and SO ₂ the correct order of acid strength is

Options

  1. ASO ₂ < P ₂ O ₃ < SiO ₂ < Al ₂ O ₃
  2. BAl ₂ O ₃ < SiO ₂ < P ₂ O ₃ < SO ₂
  3. CAl ₂ O ₃ < SiO ₂ < SO ₂ < P ₂ O ₃
  4. DSiO ₂ < SO ₂ < Al ₂ O ₃ < P ₂ O ₃

Correct answer

B. Al ₂ O ₃ < SiO ₂ < P ₂ O ₃ < SO ₂

Step-by-step solution

Al, Si, P, S acidity of oxides increases

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