Answer to Question #132104 in Inorganic Chemistry for Morgan

Question

Oxygen is the most abundant element in the Earth’s crust.
(a) Give the formulae of the oxides formed by reacting oxygen with Ca, N, S and Zn. [2]
(b) Differentiate between basic and acidic oxides. [3]
(c) Classify the types of oxides represented by your answers in (a).

Answer 1

(a) CaO, NO₂, SO₂, SO_3, ZnO

(b) An oxide that combines with water to give an acid is termed as an acidic oxide. The oxide that gives a base in water is known as a basic oxide.

(c) Basic oxide: CaO

Acidic oxides: NO₂, SO₂, SO_3.

Amphoteric oxides: which shows both basic as well as acidic properties, example: ZnO.