Question

The amphoteric oxide is

• A. $Mn_{2}O_{7}$
• B. $MnO$
• C. $MnO_{2}$
• D. $Mn_{2}O_{3}$

Answer 1

Answer: (C)

(i) Oxides in lower oxidation states are basic in nature
(ii) Oxides in intermediate oxidation states are amphoteric
(iii) Oxides in intermediate oxidation states are amphoteric