Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl2 + H2

Übersicht

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.

Teilnehmer

Rolle Substanz Koeffizient Zustand
Reaktant Zinc Zn 1 (s)
Reaktant Hydrochloric Acid HCl 2 (aq)
Produkt Hydrogen H 1 (g)

Alltägliches Beispiel

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

Industrielle Bedeutung

Zinc chloride produced from this reaction is used as a flux in soldering, in textile processing, and as a catalyst in organic reactions.

Eigenschaften

Typ
Single Replacement
Reversibel
Nein
Energie
Exotherm
ΔH
-152,4 kJ/mol

Verwandte Reaktionen

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.