Consider the oxides `Li_2O`, `CO_2`, `B_2O_3`.
Which oxide would you expect to be the most basic ?

Consider the oxides Li_2O , CO_2 , B_2O_4 . Which oxide would be the most acidic ?

Consider the oxides Li_2O , CO_2 , B_2O_5 . Give the formula of an amphoteric oxide.

Al_2O_3 is an amphoteric oxide.

Among Li_2O,CO,,P_2O_5 , identify most acidic oxide

Calculate the oxidation number of : Cr in Cr_2 O_3 .

In the conversion of K_2Cr_2O_7 to K_2CrO_4 , the oxidation number of chromium

Answer the following questions: Classify the following oxide into three types and name the types. CaO, MgO, CO_2 , SO_3 , Na_2 O , ZnO, Al_2 O_3 , Fe_2 O_3

Calculate the oxidation number of : S in K_2 S_2 O_8 .

Can we call Al_2O_3 and ZnO acidic oxides on the basis of these reactions?

What will be the oxidation state of copper in YBa_(2) Cu_(3) O_(7) , if oxidation state of Y is + 3 ?