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The decreasing order of basic character ...

The decreasing order of basic character of `K_2O, BaO, CaO and MgO` is

A

`K_2O gt BaO gt CaO gt MgO`

B

`K_2O gt CaO gt BaO gt MgO`

C

`MgO gt BaO gt CaO gt K_2O`

D

`MgO gt CaO gt BaO gt K_2O`

Text Solution

Verified by Experts

The correct Answer is:
A
Alkali metal oxides are very much basic. Down the group in the alkaline earth metal series, ionisation potential decreases.
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