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BITSAT2011Chemistryp Block Elements (Group 13 & 14)Actual

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

Options

  1. AAl ₂ O ₃< SiO ₂< SO ₂< P ₂ O ₃
  2. BSiO ₂< SO ₂< Al ₂ O ₃< P ₂ O ₃
  3. CSO ₂< P ₂ O ₃< SiO ₂< Al ₂ O ₃
  4. DAl ₂ O ₃< SiO ₂< P ₂ O ₃< SO ₂

Correct answer

D. Al ₂ O ₃< SiO ₂< P ₂ O ₃< SO ₂

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