Which of the following oxides is most acidic in nature ?
BaO
BeO
MgO
CaO
As we learnt that
Alkaline earth metals -
Elements of Group 2 of the periodic table Be, Mg, Ca, Sr, Ba, Ra
- wherein
Their oxides are alkaline except Be
Due to non metallic character of Be it give acidic oxide.
Option 1)
BaO
This is incorrect.
Option 2)
BeO
This is correct.
Option 3)
MgO
This is incorrect.
Option 4)
CaO
This is incorrect.