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KCET2009ChemistryChemical Bonding and Molecular Structure

The order of stability of metal oxides is

Options

  1. AAl ₂ O ₃ < MgO < Fe ₂ O ₃ < Cr ₂ O ₃
  2. BCr ₂ O ₃ < MgO < Al ₂ O ₃ < Fe ₂ O ₃
  3. CFe ₂ O ₃ < Cr ₂ O ₃ < Al ₂ O ₃ < MgO
  4. DFe ₂ O ₃ < Al ₂ O ₃ < Cr ₂ O ₃ < MgO

Correct answer

C. Fe ₂ O ₃ < Cr ₂ O ₃ < Al ₂ O ₃ < MgO

Step-by-step solution

The order of stability of metal oxides is as: Fe ₂ O ₃ < Cr ₂ O ₃ < Al ₂ O ₃ < MgO

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