Formation of Hydrogen Chloride

H2 + Cl2 → 2HCl

Aperçu

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.

Participants

Rôle Substance Coefficient État
Réactif Hydrogen H 1 (g)
Réactif Chlorine Cl 1 (g)
Produit Hydrochloric Acid HCl 2 (g)

Exemple du quotidien

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

Importance industrielle

HCl production is important for the chemical industry, used in steel pickling, food processing, and as a reagent in organic synthesis.

Propriétés

Type
Synthesis
Réversible
Non
Énergie
Exothermique
ΔH
-184,6 kJ/mol

Réactions associées

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.