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SALTS

CONTENT

  1. Definition of Salts
  2. Characteristics of Salts
  3. Preparation of Salts
  4. Types of Salts
  5. Uses of Salts
  6. Hydrolysis of Salts

 

Definition of Salts

A salt is a compound formed when all or part of the ionizable hydrogen of an acid is replaced by metallic or ammonium ions. It consists of all aggregation of positively charged metallic ion and negatively charged acid ions.

Characteristics of Salts

  1. Water of crystallization: This can be defined as the definite amount of water that some substances chemically combine with when they form salt and such salts are referred to as hydrated salts. When heated, they give off their respective water of crystallization and by so doing become anhydrous salt. When hydrated, they are crystalline in shape but when heated and the water of crystallization is released, there’s a loss of crystalline shape. Examples of salt with water of crystallization are sodium trioxosulphate(IV) decahydrate, Na2SO3 .10H2O, Iron(II) tetraoxosulphate(VI) heptahydrate, FeSO4.7H2O, sodium trioxocarbonate(IV) decahydrate, Na2CO3.10H2O etc.

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