Formation of Hydrogen Chloride

H2 + Cl2 → 2HCl

Visão geral

Hydrogen gas and chlorine gas combine to form hydrogen chloride gas. This reaction can be initiated by UV light and proceeds explosively as a radical chain reaction. Dissolving HCl gas in water produces hydrochloric acid.

Participantes

Papel Substância Coeficiente Estado
Reagente Hydrogen H 1 (g)
Reagente Chlorine Cl 1 (g)
Produto Hydrochloric Acid HCl 2 (g)

Exemplo do cotidiano

Hydrochloric acid, made by dissolving the product in water, is found in muriatic acid used to clean concrete and adjust pool pH.

Importância industrial

A produção de HCl é importante para a indústria química, utilizado na decapagem do aço, no fabrico de PVC e na síntese de compostos orgânicos. A reação H₂-Cl₂ é altamente exotérmica e requer precauções de segurança rigorosas.

Propriedades

Tipo
Synthesis
Reversível
Não
Energia
Exotérmico
ΔH
-184,6 kJ/mol

Reações relacionadas

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Hydrogen Chloride?
The balanced equation is: H₂ + Cl₂ → 2HCl.
What type of reaction is Formation of Hydrogen Chloride?
Formation of Hydrogen Chloride is a synthesis reaction.
Is Formation of Hydrogen Chloride exothermic or endothermic?
Formation of Hydrogen Chloride is exothermic (releases energy). The enthalpy change (ΔH) is -184.6 kJ/mol.