Chapter 23, Problem 55QP

Interpretation Introduction

Interpretation:

The statement “The pressure of gaseous ${\text{Al}}_{\text{2}}{\text{Cl}}_{\text{6}}$ increases more rapidly with temperature than that of pure ${\text{Al}}_{\text{2}}{\text{Cl}}_{\text{6}}$” is to be explained.

Concept introduction:

Aluminum is a versatile and abundant metal.

It is an electropositive element.

Its principal ore is bauxite, and it has low density.

It has high tensile strength.

It exhibits a $+3$ oxidation state.

It is malleable, can be rolled into thin foils.

It is ductile, can be drawn into thin wires.

It is excellent conductor of electricity.

Aluminum chloride is a dimer.

Chlorine is attached to aluminum with normal covalent bonds and coordinate bonds.