Basic character of metal oxides and hydroxides

  • Group 1 and group 2 metal oxides are basic (dissolve in water) - this will form an alkali solution. 

  • Oxide ion is very strong basic anion due to its high charge. 

  • Oxide ion in the metal oxide reacts with water to produce hydroxide ions due to a hydroxide ion is the strongest base that occur in water. 

  • Magnesium oxide can be used as a disinfectant


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