The reason behind existence of ionic compounds in crystalline structures and the phenomenon that happens when they are dissolved in water has to be explained. Concept Introduction: An electrolyte refers to an ionic compound that on solvation in polar protic solvents ionizes to yield cationic and anionic species. The free movement of such ionic species results in the conduction of electricity. Three subcategories exist for electrolyte namely strong electrolyte weak electrolyte and non-electrolyte. The strong electrolytes on dissolution exhibit 100 % dissociation; The acids such as HCl , CH 3 COOH , H 2 SO 4 , HNO 3 , that have ability to furnish hydronium ions and bases such as NaOH , KOH ionize fully to yield hydroxide ions are strong electrolytes. In contrast, weak electrolytes are not 100 % dissociated, theses may include weak acids and bases such as carbonic acid, nitrous acid, boric acid, HClO , NH 3 . The principle of “like dissolves like” holds true and suggests that ionic or polar substances are more soluble in similar polar solvent such as water.

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Chapter 15, Problem 19RQ

Interpretation Introduction

Interpretation:

The reason behind existence of ionic compounds in crystalline structures and the phenomenon that happens when they are dissolved in water has to be explained.

Concept Introduction:

An electrolyte refers to an ionic compound that on solvation in polar protic solvents ionizes to yield cationic and anionic species. The free movement of such ionic species results in the conduction of electricity.

Three subcategories exist for electrolyte namely strong electrolyte weak electrolyte and non-electrolyte. The strong electrolytes on dissolution exhibit 100 % dissociation; The acids such as HCl , CH3COOH, H2SO4, HNO3, that have ability to furnish hydronium ions and bases such as NaOH, KOH ionize fully to yield hydroxide ions are strong electrolytes.

In contrast, weak electrolytes are not 100 % dissociated, theses may include weak acids and bases such as carbonic acid, nitrous acid, boric acid, HClO, NH3.

The principle of “like dissolves like” holds true and suggests that ionic or polar substances are more soluble in similar polar solvent such as water.

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