A) \[MgO<BeO<CaO<BaO\]
B) \[BeO<MgO<CaO<BaO\]
C) \[BaO<CaO<MgO<BeO\]
D) \[CaO<BaO<BeO<MgO\]
Correct Answer: B
Solution :
[b] The basic character of oxides increases down the group.
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