D-And F-Block Elements Ques 459

Question: Which of the following oxides of manganese is amphoteric-

Options:

A) $ MnO_2 $

B) $ Mn_2O_3 $

C) $ Mn_2O_7 $

D) $ MnO $

Show Answer

Answer:

Correct Answer: A

Solution:

The more the oxidation state, the more is the acid character, $ MnO,Mn_2O_3 $ are basic, $ MnO_2 $ is amphoteric and $ Mn_2O_7 $ is acidic.



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