Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl2 + H2

개요

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.

참여 물질

역할 물질 계수 상태
반응물 Zinc Zn 1 (s)
반응물 Hydrochloric Acid HCl 2 (aq)
생성물 Hydrogen H 1 (g)

일상 속 예시

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

산업적 중요성

이 반응으로 생성되는 염화아연은 납땜의 융제, 섬유 가공, 유기 반응의 촉매로 사용됩니다.

성질

유형
Single Replacement
가역 반응
아니오
에너지
발열
ΔH
-152.4 kJ/mol

관련 반응

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.