(a) What are amphoteric oxides ? Give two examples of amphoteric oxide

1.	(a) What are amphoteric oxides ? Give two examples of amphoteric oxides.(b) Choose the acidic oxides, basic oxides and neutral oxides from the following :Na2O, CO2, CO, SO2, MgO, N2O, H2O.(c) Which of the following are amphoteric oxides :MgO, ZnO, P2O3, Al2O3, NO2
Answer» (a) Those metal oxides which show basic as well as acidic behavior are known as amphoteric oxides. Example: Aluminium oxide and zinc oxide. (b) Acidic oxide – CO₂ , CO, SO₂ and N₂O; Basic oxide – Na₂O, MgO; Neutral oxide – H₂O. (c) ZnO, Al₂O₃ .

(a) What are amphoteric oxides ? Give two examples of amphoteric oxides.(b) Choose the acidic oxides, basic oxides and neutral oxides from the following :Na2O, CO2, CO, SO2, MgO, N2O, H2O.(c) Which of the following are amphoteric oxides :MgO, ZnO, P2O3, Al2O3, NO2

Answer»

(a) Those metal oxides which show basic as well as acidic behavior are known as amphoteric oxides.

Example: Aluminium oxide and zinc oxide.

(b) Acidic oxide – CO₂ , CO, SO₂ and N₂O; Basic oxide – Na₂O, MgO; Neutral oxide – H₂O.