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NEETChemistrys Block Elements

Which alkaline earth metal forms the oxide CaO, which does not combine with excess oxygen to give any superoxide?

Options

  1. ABeryllium (Be)
  2. BMagnesium (Mg)
  3. CCalcium (Ca)
  4. DBarium (Ba)

Correct answer

C. Calcium (Ca)

Step-by-step solution

Calcium (Ca) forms the oxide CaO, which does not combine with excess oxygen to give any superoxide.

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