Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl2 + H2

概要

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.

参加者

役割 物質 係数 状態
反応物 Zinc Zn 1 (s)
反応物 Hydrochloric Acid HCl 2 (aq)
生成物 Hydrogen H 1 (g)

日常の例

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

産業上の重要性

この反応で生成される塩化亜鉛はハンダ付けのフラックス、繊維加工、有機反応の触媒として使用される。

特性

タイプ
Single Replacement
可逆的
いいえ
エネルギー
発熱性
ΔH
-152.4 kJ/mol

関連する反応

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.