Aluminum Reacting with Hydrochloric Acid

2Al + 6HCl → 2AlCl3 + 3H2

Descripción general

Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. The reaction requires the initial dissolution of the protective aluminum oxide layer, after which it proceeds vigorously. The reaction generates significant heat and rapid hydrogen evolution.

Participantes

Rol Sustancia Coeficiente Estado
Reactivo Aluminum Al 2 (s)
Reactivo Hydrochloric Acid HCl 6 (aq)
Producto Hydrogen H 3 (g)

Ejemplo cotidiano

Aluminum foil dissolving in muriatic acid (hydrochloric acid) demonstrates this reaction, though it should only be done with proper safety equipment.

Importancia industrial

El cloruro de aluminio es un importante catalizador ácido de Lewis utilizado en reacciones de Friedel-Crafts en química orgánica y en la refinación del petróleo.

Propiedades

Tipo
Single Replacement
Reversible
No
Energía
Exotérmico
ΔH
-1049,0 kJ/mol

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Frequently Asked Questions

What is the equation for Aluminum Reacting with Hydrochloric Acid?
The balanced equation is: 2Al + 6HCl → 2AlCl₃ + 3H₂.
What type of reaction is Aluminum Reacting with Hydrochloric Acid?
Aluminum Reacting with Hydrochloric Acid is a single replacement reaction.
Is Aluminum Reacting with Hydrochloric Acid exothermic or endothermic?
Aluminum Reacting with Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -1049.0 kJ/mol.