Zinc Hydroxide as Amphoteric Base with HCl

Zn(OH)2 + 2HCl → ZnCl2 + 2H2O

Visão geral

Zinc hydroxide, like aluminum hydroxide, is amphoteric and dissolves in hydrochloric acid to form zinc chloride and water. The white gelatinous precipitate dissolves as the Zn²⁺ ions form. This behavior is used in qualitative analysis to distinguish zinc from non-amphoteric metal hydroxides.

Participantes

Papel Substância Coeficiente Estado
Reagente Hydrochloric Acid HCl 2 (aq)
Produto Water H₂O 2 (l)

Exemplo do cotidiano

Zinc chloride produced by this reaction is used in soldering flux and as an ingredient in some deodorants.

Importância industrial

O cloreto de zinco é utilizado como fundente na galvanização, em baterias, como catalisador em reações orgânicas e na vulcanização da borracha.

Propriedades

Tipo
Acid-Base
Reversível
Não
Energia
Exotérmico
ΔH
-110,0 kJ/mol

Reações relacionadas

Hydrochloric Acid and Barium Hydroxide Acetic Acid and Sodium Acetate Buffer System Acetic Acid Dissociation in Water Ammonia and Hydrochloric Acid Ascorbic Acid and Sodium Hydroxide Barium Hydroxide and Ammonium Thiocyanate (Endothermic) Carbonic Acid and Sodium Hydroxide Aluminum Hydroxide as Amphoteric Acid with NaOH Aluminum Chloride and Chloride Ion (Lewis Acid-Base) Formic Acid and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Zinc Hydroxide as Amphoteric Base with HCl?
The balanced equation is: Zn(OH)₂ + 2HCl → ZnCl₂ + 2H₂O.
What type of reaction is Zinc Hydroxide as Amphoteric Base with HCl?
Zinc Hydroxide as Amphoteric Base with HCl is a acid-base reaction.
Is Zinc Hydroxide as Amphoteric Base with HCl exothermic or endothermic?
Zinc Hydroxide as Amphoteric Base with HCl is exothermic (releases energy). The enthalpy change (ΔH) is -110.0 kJ/mol.