The given compounds should be arranged in a specific order for that which property should be considered. We have to discuss it in detail. Also, the given compound rank should be determined so that we have to arrange it in the order starting from the most ionic to least. Concept Introduction: No bond can be 100% ionic. Every ionic bond will have a small amount of covalent character in it. Such covalent character of the compounds which are ionic is described with the help of Fajan's rule. Fajan's rule states that the covalent character of a molecule gets increased by the polarization of the anion by the cation. When a cation exerts a force to distort the anion's electron cloud, it is called the polarizing power.The anion's tendency to get polarized is termed as polarisability. Hence, when there is a greater polarization, there is a more covalent character.

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Chapter 7, Problem 7.91PAE

Interpretation Introduction

Interpretation:

The given compounds should be arranged in a specific order for that which property should be considered. We have to discuss it in detail. Also, the given compound rank should be determined so that we have to arrange it in the order starting from the most ionic to least.

Concept Introduction:

No bond can be 100% ionic. Every ionic bond will have a small amount of covalent character in it. Such covalent character of the compounds which are ionic is described with the help of Fajan's rule. Fajan's rule states that the covalent character of a molecule gets increased by the polarization of the anion by the cation.

When a cation exerts a force to distort the anion's electron cloud, it is called the polarizing power.The anion's tendency to get polarized is termed as polarisability. Hence, when there is a greater polarization, there is a more covalent character.

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