Aluminum Hydroxide as Amphoteric Base with HCl

Al(OH)3 + 3HCl → AlCl3 + 3H2O

Tổng quan

Aluminum hydroxide dissolves in hydrochloric acid, demonstrating its basic character. As an amphoteric substance, Al(OH)₃ can act as either an acid or a base. With HCl, it donates its hydroxide ions to neutralize the acid. The gelatinous white precipitate dissolves to form a clear solution.

Người tham gia

Vai trò Chất Hệ số Trạng thái
Chất phản ứng Aluminum Hydroxide Al(OH)₃ 1 (s)
Chất phản ứng Hydrochloric Acid HCl 3 (aq)
Sản phẩm Water H₂O 3 (l)

Ví dụ thực tế

Aluminum hydroxide is the active ingredient in many antacid tablets like Maalox, where it neutralizes stomach acid.

Tầm quan trọng công nghiệp

Aluminum hydroxide is used in water purification as a coagulant, as a fire retardant in plastics, and as a pharmaceutical antacid.

Tính chất

Loại
Acid-Base
Thuận nghịch
Không
Năng lượng
Tỏa nhiệt
ΔH
-170,0 kJ/mol

Phản ứng liên quan

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 Aluminum Hydroxide as Amphoteric Base with HCl?
The balanced equation is: Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O.
What type of reaction is Aluminum Hydroxide as Amphoteric Base with HCl?
Aluminum Hydroxide as Amphoteric Base with HCl is a acid-base reaction.
Is Aluminum Hydroxide as Amphoteric Base with HCl exothermic or endothermic?
Aluminum Hydroxide as Amphoteric Base with HCl is exothermic (releases energy). The enthalpy change (ΔH) is -170.0 kJ/mol.