A) \[{{K}_{2}}O>BaO>CaO>MgO\]
B) \[{{K}_{2}}O>CaO>BaO>MgO\]
C) \[MgO>BaO>CaO>{{K}_{2}}O\]
D) \[MgO>CaO>BaO>{{K}_{2}}O\]
Correct Answer: A
Solution :
[a] : Alkali metal oxides are very much basic. Down the group in the alkaline earth metal series, [onisation potential decreases.You need to login to perform this action.
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