Aluminum Reacting with Hydrochloric Acid

2Al + 6HCl → 2AlCl3 + 3H2

Visão geral

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

Papel Substância Coeficiente Estado
Reagente Aluminum Al 2 (s)
Reagente Hydrochloric Acid HCl 6 (aq)
Produto Hydrogen H 3 (g)

Exemplo do cotidiano

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

Importância industrial

O cloreto de alumínio é um importante catalisador ácido de Lewis utilizado em reações de Friedel-Crafts em química orgânica e no refino de petróleo.

Propriedades

Tipo
Single Replacement
Reversível
Não
Energia
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.