Basic properties are characteristic of all alkaline earth metal oxides except one. The formula of this..?

Basic properties are characteristic of all alkaline earth metal oxides except one. The formula of this exception is





a) BeO


b) MgO


c) SO2


d) B2O3


e) CaO

Basic properties are characteristic of all alkaline earth metal oxides except one. The formula of this..?
BeO is amphoteric.
Reply:Well they all have basic properties so I'm really really confused.





Plus sulphur is not an alkaline earth so now I'm really _really_ confused.
Reply:c) SO2 makes an acid