Navigate

The amphoteric oxide is

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.

UP2009
admin:

Related Questions

  1. When initial concentration of a reactant is doubled in a reaction, its half-life
  2. 40 mL of 0.1 M ammonia solution is mixed with 20 mL of 0.1 M HCl.
  3. A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
  4. Which is used in the preparation of azo-dyes
  5. Which of the following is expected not to yield a white precipitate