Chapter 16.10, Problem 1RC

Interpretation Introduction

Interpretation:

In the increasing order of basicity, the given oxides have to be arranged.

Concept Introduction:

Oxides are elements that are bonded with oxygen molecules.

Acidic and basic properties of oxides:

• All alkali and alkali earth metal oxides are basic oxides.
• All mon-metallic oxides are acidic oxides.
• Some alkali metals are amphoteric oxides which mean that they can act both as an acidic oxide as well as a basic oxide.

Basicity means the ability to share or donate electrons. When the atomic number of an atom increases, then it implies that the size of an atom increases. Consequently its electron affinity decreases. Ultimately the atom will be more likely to share or to donate electrons. Thus the basicity increases with the increasing atomic size.