The amphoteric oxide is

Options

(a) Mn₂O₇
(b) MnO
(c) MnO₂
(d) Mn₂O₃

Correct Answer:

MnO₂

Explanation:

(i) Oxides in lower oxidation states are basic in nature. (ii) Oxides in intermediate oxidation states are amphoteric.(iii) The oxides of higher oxidation states are acidic in nature. Mno, Mn₂O₃ – Basic, MnO₂ – Amphoteric, MnO₃, Mn₂O₇ – unstable Acidic.