Which of the following is amphoteric oxide: Mn2O4, CrO3, Cr2O3, V2O5 V2O4, CrO? (1) V2O5, Cr2O3. (2) Mn2O4, CrO3. (3) CrO, V2O5. (4) V2O5, V2O4.?

Question

Answer

Amphoteric Oxides:
- An amphoteric oxide is a type of oxide that can act as both an acid and a base. This means it can react with both acids and bases.
- The key characteristic of an amphoteric oxide is its ability to display acidic and basic properties depending on the reaction conditions.

Potential Amphoteric Oxides:
- Mn2O4: This oxide is not typically considered amphoteric as it does not exhibit both acidic and basic properties.
- CrO3: This oxide is acidic and not amphoteric.
- Cr2O3: This oxide is amphoteric since it can react with both acids and bases.
- V2O5: This oxide is considered amphoteric as it can display acidic and basic properties.
- V2O4: This oxide is not typically considered amphoteric.

Conclusion:
- The amphoteric oxides among the options provided are Cr2O3 and V2O5. Both of these oxides can exhibit acidic and basic properties depending on the reaction conditions.

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