Sodium Hydroxide and Iron(III) Chloride (Rust Color)
3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
概述
When sodium hydroxide is added to iron(III) chloride solution, a characteristic rust-brown precipitate of iron(III) hydroxide forms. This gelatinous precipitate is used to identify iron(III) ions in qualitative analysis.
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 rust-colored sludge in water treatment plants is often iron(III) hydroxide formed by adding base to iron-containing water.
工业重要性
氢氧化铁用作颜料（铁红、铁黄）、水处理絮凝剂和磁性材料前体，具有重要工业价值。
属性
- 可逆
- 否
- 能量
- 放热
- ΔH
- -88.0 kJ/mol
相关反应
Iron(III) Chloride and Sodium Hydroxide
Calcium Chloride and Sodium Carbonate
Barium Chloride and Sodium Sulfate Precipitation
Calcium Hydroxide and Carbon Dioxide (Limewater Test)
Magnesium Hydroxide and Hydrochloric Acid (Antacid)
Lead Nitrate and Potassium Iodide (Golden Rain)
Copper(II) Sulfate and Sodium Hydroxide
Sodium Hydroxide and Hydrochloric Acid Neutralization
Sodium Carbonate and Hydrochloric Acid
Aluminum Hydroxide and Hydrochloric Acid
Frequently Asked Questions
What is the equation for Sodium Hydroxide and Iron(III) Chloride (Rust Color)?
The balanced equation is: 3NaOH + FeCl₃ → Fe(OH)₃ + 3NaCl.
What type of reaction is Sodium Hydroxide and Iron(III) Chloride (Rust Color)?
Sodium Hydroxide and Iron(III) Chloride (Rust Color) is a double replacement reaction.
Is Sodium Hydroxide and Iron(III) Chloride (Rust Color) exothermic or endothermic?
Sodium Hydroxide and Iron(III) Chloride (Rust Color) is exothermic (releases energy). The enthalpy change (ΔH) is -88.0 kJ/mol.