D-And F-Block Elements Ques 12
Question: Which oxide of manganese is amphoteric
[AFMC 1995]
Options:
A) $ MnO_2 $
B) $ Mn_2O_3 $
C) $ Mn_2O_7 $
D) $ MnO $
Show Answer
Answer:
Correct Answer: A
Solution:
$ MnO_2 $ forms amphoteric oxide due to intermediate oxidation state.