Copper(II) Sulfate and Sodium Hydroxide

CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4

概述

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.

参与者

角色 物质 系数 状态
反应物 Copper(II) Sulfate CuSO₄ 1 (aq)
反应物 Sodium Hydroxide NaOH 2 (aq)
产物 Sodium Sulfate Na₂SO₄ 1 (aq)

日常示例

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.

工业重要性

氢氧化铜在农业中用作杀菌剂(波尔多液),并作为其他铜化合物的起始原料。

属性

类型
Double Replacement
可逆
否
能量
放热
ΔH
-59.0 kJ/mol

相关反应

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.