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NEETChemistrys Block Elements

Which alkaline earth metal oxide reacts with water to form a sparingly soluble hydroxide?

Options

  1. ABeryllium oxide (BeO)
  2. BMagnesium oxide (MgO)
  3. CCalcium oxide (CaO)
  4. DStrontium oxide (SrO)

Correct answer

A. Beryllium oxide (BeO)

Step-by-step solution

Beryllium oxide (BeO) is the only alkaline earth metal oxide that does not react with water to form a sparingly soluble hydroxide. All the other alkaline earth metal oxides, including magnesium oxide (MgO), calcium oxide (CaO), and strontium oxide (SrO), react with water to form sparingly soluble hydroxides.

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