1.

The correct order of acidic strength is:

Answer»

`CI_(2)O_(7) GT SO_(2) gtP_(4)O_(10)`
 `CO_(2) gt N_(2)O_(5) gt SO_(3)`
`Na_(2)O gt Mgo gt AI_(2)O_(3)`
 `K_(2)O gt CaO gtMgO`

ANSWER :a


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