Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
Question
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Chapter 12, Problem 12.1P
Interpretation Introduction

Interpretation:

Ionic atmosphere has to be defined.

Concept Introduction:

Ionic solutions are characterized by presence of numerous cations and anions. Each cation and anion interacts with one another via electrostatic attractive forces. Such ionic spheres composed of cation surrounded by anions or vice versa are present throughout the medium of ionic solutions.

Expert Solution & Answer
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Explanation of Solution

Anion is surrounded by more number of cation than anions, similarly cation are surrounded by more anions than cation. This generates a sphere of net charge around each cation or anion.

Ionic atmosphere may refer to certain positively charged region around anion or negative charged region around a cation. It develops due to mutual interaction through electrostatic forces illustrated as follows:

Exploring Chemical Analysis, Chapter 12, Problem 12.1P

A pure cation or anion is not able to attract each other effectively due to the hindrance caused by ionic atmosphere around them.

Degree of charge concentrated within an ionic atmosphere is governed by extent of concentration of ions. There is continuous diffusion of various ions across the ionic atmosphere.

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