Correct combination is
ZnO-Basic oxide
\(C_{3}O_{2}\) - Polyoxide
\(Fe_{3}O_{4}\) - Normal oxide
CO-Neutral oxide

Mn_2 O_3 is acidic/basic oxide.

Which of the following sets mismatched regarding the nature of oxides? (A) Neutral oxides - \(CO_{2},NO\) (B)Amphoteric oxides - BeO,\(Al_{2}O_{3}\) (C) Acidic oxides - \(Cl_{2}O_{7},NO_{2}\) (D) Basic oxides - \(Na_{2}O\) ,BaO

Which of the following sets mismatched regarding the nature of oxides? (A) Neutral oxides - \(CO_{2},NO\) (B) Amphoteric oxides - BeO,\(Al_{2}O_{3}\) (C) Acidic oxides - \(Cl_{2}O_{7},NO_{2}\) (D) Basic oxides - \(Na_{2}O,BaO\)

Fe_2O_4 is a mixed oxide of FeO and F_2O_3 .

(a). What are amphoteric oxides? Give two examples of amphoteric oxides. (b). Choose the acidic oxides, basic oxides and neutral oxids from the following: Na_(2)O,CO_(2),CO,SO_(2),MgO,N_(2)O,H_(2)O (c). Which of the following are amphoteric oxides: MgO,ZnO,P_(2)O_(3),Al_(2)O_(3),NO_(2)

The oxidation state of Fe in Fe_(3)O_(4) is :