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Role of Water in Showing Acidic and Alkaline Properties (1)
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Definition of acid according to the Arrhenius theory
Chemical substances ionise in water to produce hydrogen ions
The effect when hydrogen chloride gas is dissolved in water
Hydrogen chloride molecules will ionise in water to produce hydrogen ions and chloride ions
Definition of basicity of acids
The number of hydrogen ions that can be produced by an acid molecule that ionises in water
Basicity of hydrochloric acid, HCl
Monoprotic acid because it can produce one hydrogen ion per acid molecule
Definition of base
A substance that reacts with acids to produce salt and water only
Formation of hydroxonium ion, H3O+ (1)
When hydrogen chloride gas is dissolved in water, hydrogen chloride molecules will ionise in water to produce hydrogen ions, H+ and chloride ions, Cl–
Formation of hydroxonium ion, H3O+ (2)
Hydrogen ions, H+produced will combine with the water molecules, H2O to formhydroxonium ions, H3O+
Monoprotic acid because it can produce one hydrogen ion, H+ per acid molecule
Hydrochloric acid, HCl
The classification of acids based on the basicity of the acids(1)
Monoprotic acid
The classification of acids based on the basicity of the acids (2)
Diprotic acid
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Role of Water in Showing Acidic and Alkaline Properties (1)
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