Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl2 + H2

概述

Zinc granules react with hydrochloric acid to produce zinc chloride and hydrogen gas. This is a moderately vigorous reaction commonly used in laboratories to generate hydrogen gas for experiments. The reaction rate can be increased by using powdered zinc or warming the acid.

参与者

角色 物质 系数 状态
反应物 Zinc Zn 1 (s)
反应物 Hydrochloric Acid HCl 2 (aq)
产物 Hydrogen H 1 (g)

日常示例

This reaction is commonly demonstrated in school labs with Kipp's apparatus to generate a steady stream of hydrogen gas for collection and testing.

工业重要性

氯化锌用作热镀锌助焊剂、有机反应路易斯酸催化剂和蓄电池电解质，是重要的工业化学品。

属性

类型
Single Replacement
可逆
否
能量
放热
ΔH
-152.4 kJ/mol

相关反应

Aluminum Reacting with Iron(III) Oxide (Thermite) Chlorine Displacing Iodine from Potassium Iodide Magnesium Reacting with Steam Lithium Reacting with Water Aluminum Reacting with Hydrochloric Acid Aluminum Reducing Chromium Oxide (Aluminothermic) Iron Reacting with Hydrochloric Acid Iron Displacing Copper from Copper Sulfate Zinc Displacing Copper from Copper Sulfate Fluorine Displacing Chlorine from Sodium Chloride

Frequently Asked Questions

What is the equation for Zinc Reacting with Hydrochloric Acid?
The balanced equation is: Zn + 2HCl → ZnCl₂ + H₂.
What type of reaction is Zinc Reacting with Hydrochloric Acid?
Zinc Reacting with Hydrochloric Acid is a single replacement reaction.
Is Zinc Reacting with Hydrochloric Acid exothermic or endothermic?
Zinc Reacting with Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -152.4 kJ/mol.