Iron(III) Chloride and Sodium Hydroxide

FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

概述

Iron(III) chloride reacts with sodium hydroxide to form a rust-brown precipitate of iron(III) hydroxide and sodium chloride. This reaction is the basis for iron removal in water treatment and for qualitative identification of iron(III) ions.

参与者

角色 物质 系数 状态
反应物 Iron(III) Chloride FeCl₃ 1 (aq)
反应物 Sodium Hydroxide NaOH 3 (aq)
产物 Sodium Chloride NaCl 3 (aq)

日常示例

The brown sludge in water treatment plants often contains iron(III) hydroxide precipitated by adding a base to iron-containing water.

工业重要性

铁盐絮凝是给水和污水处理中去除磷酸盐、重金属和悬浮固体的主流方法，氯化铁是最常用的无机混凝剂之一，全球每年使用量数百万吨。

属性

类型
Double Replacement
可逆
否
能量
放热
ΔH
-88.0 kJ/mol

相关反应

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 Sodium Carbonate and Hydrochloric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Iron(III) Chloride and Sodium Hydroxide?
The balanced equation is: FeCl₃ + 3NaOH → Fe(OH)₃ + 3NaCl.
What type of reaction is Iron(III) Chloride and Sodium Hydroxide?
Iron(III) Chloride and Sodium Hydroxide is a double replacement reaction.
Is Iron(III) Chloride and Sodium Hydroxide exothermic or endothermic?
Iron(III) Chloride and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -88.0 kJ/mol.