Copper(II) Sulfate and Sodium Hydroxide

CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4

Übersicht

Blue copper(II) sulfate solution reacts with sodium hydroxide to form a pale blue gelatinous precipitate of copper(II) hydroxide and sodium sulfate solution. This is a common qualitative test for copper(II) ions and is used in the Biuret test for proteins.

Teilnehmer

Rolle Substanz Koeffizient Zustand
Reaktant Copper(II) Sulfate CuSO₄ 1 (aq)
Reaktant Sodium Hydroxide NaOH 2 (aq)
Produkt Sodium Sulfate Na₂SO₄ 1 (aq)

Alltägliches Beispiel

The Biuret test for proteins uses copper sulfate and sodium hydroxide; the formation of a violet color (rather than pale blue precipitate) indicates protein presence.

Industrielle Bedeutung

Copper hydroxide is used as a fungicide in agriculture (Bordeaux mixture) and as a starting material for other copper compounds.

Eigenschaften

Typ
Double Replacement
Reversibel
Nein
Energie
Exotherm
ΔH
-59,0 kJ/mol

Verwandte Reaktionen

Iron(III) Chloride and Sodium Hydroxide Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Potassium Hydroxide and Sulfuric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Copper(II) Sulfate and Sodium Hydroxide?
The balanced equation is: CuSO₄ + 2NaOH → Cu(OH)₂ + Na₂SO₄.
What type of reaction is Copper(II) Sulfate and Sodium Hydroxide?
Copper(II) Sulfate and Sodium Hydroxide is a double replacement reaction.
Is Copper(II) Sulfate and Sodium Hydroxide exothermic or endothermic?
Copper(II) Sulfate and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -59.0 kJ/mol.