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Reactions of Alkaline earth metals with oxygen:
Write the reactions of any two elements of group II A with oxygen.
Ans. Alkaline earth metals react with oxygen to form corresponding oxides.
2M + O2 -> 2MO (M = Alkalineearthmetals )
'Mg' reacts with oxygen to form Magnesium Oxide.
2Mg + O2 -> 2MgO
Barium reacts with oxygen to form Barium oxide.
2Ba + O2 -> 2BaO
Barium also form Barium Peroxide when burnt in excess of Oxygen.
Ba + O2 -> BaO2
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