Aluminum Hydroxide and Hydrochloric Acid

Al(OH)3 + 3HCl → AlCl3 + 3H2O

概要

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.

参加者

役割 物質 係数 状態
反応物 Aluminum Hydroxide Al(OH)₃ 1 (s)
反応物 Hydrochloric Acid HCl 3 (aq)
生成物 Water H₂O 3 (l)

日常の例

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

産業上の重要性

水酸化アルミニウムは、水の浄化、制酸剤、難燃剤、そして酸化アルミニウムの前駆体として使用される主要な工業化学品です。

特性

タイプ
Double Replacement
可逆的
いいえ
エネルギー
発熱性
ΔH
-170.0 kJ/mol

関連する反応

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.