Aluminum Hydroxide and Hydrochloric Acid

Al(OH)3 + 3HCl → AlCl3 + 3H2O

Aperçu

Aluminum hydroxide, an amphoteric hydroxide, dissolves in hydrochloric acid to form aluminum chloride and water. This demonstrates the basic character of aluminum hydroxide. The same compound also dissolves in sodium hydroxide, showing its amphoteric nature.

Participants

Rôle Substance Coefficient État
Réactif Aluminum Hydroxide Al(OH)₃ 1 (s)
Réactif Hydrochloric Acid HCl 3 (aq)
Produit Water H₂O 3 (l)

Exemple du quotidien

Aluminum hydroxide is used in antacid formulations (like Maalox) where it neutralizes stomach acid via this reaction.

Importance industrielle

Aluminum hydroxide is a major industrial chemical used in water purification, antacids, fire retardants, and as a precursor to aluminum oxide.

Propriétés

Type
Double Replacement
Réversible
Non
Énergie
Exothermique
ΔH
-170,0 kJ/mol

Réactions associées

Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Potassium Hydroxide and Sulfuric Acid Sodium Carbonate and Hydrochloric Acid Iron(III) Chloride and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Aluminum Hydroxide and Hydrochloric Acid?
The balanced equation is: Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O.
What type of reaction is Aluminum Hydroxide and Hydrochloric Acid?
Aluminum Hydroxide and Hydrochloric Acid is a double replacement reaction.
Is Aluminum Hydroxide and Hydrochloric Acid exothermic or endothermic?
Aluminum Hydroxide and Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -170.0 kJ/mol.