Formation of Hydrogen Chloride

H2 + Cl2 → 2HCl

概述

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.

参与者

角色 物质 系数 状态
反应物 Hydrogen H 1 (g)
反应物 Chlorine Cl 1 (g)
产物 Hydrochloric Acid HCl 2 (g)

日常示例

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

工业重要性

工业盐酸主要通过氯碱工业副产氯气与氢气合成生产，年产量超千万吨。盐酸广泛用于金属酸洗、食品加工（淀粉水解）、制药和化工合成。

属性

类型
Synthesis
可逆
否
能量
放热
ΔH
-184.6 kJ/mol

相关反应

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.