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NEETChemistrys Block Elements

Which of the following alkaline earth metal oxides does not combine with excess oxygen to form a superoxide?

Options

  1. ABeryllium oxide (BeO)
  2. BMagnesium oxide (MgO)
  3. CCalcium oxide (CaO)
  4. DBarium oxide (BaO)

Correct answer

A. Beryllium oxide (BeO)

Step-by-step solution

Beryllium oxide (BeO) does not combine with excess oxygen to form a superoxide, unlike the other alkaline earth metal oxides.

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