Iron(III) Chloride and Sodium Hydroxide
FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl
Tổng quan
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.
Người tham gia
| Vai trò | Chất | Hệ số | Trạng thái |
|---|---|---|---|
| Chất phản ứng | Iron(III) Chloride FeCl₃ | 1 | (aq) |
| Chất phản ứng | Sodium Hydroxide NaOH | 3 | (aq) |
| Sản phẩm | Sodium Chloride NaCl | 3 | (aq) |
Ví dụ thực tế
The brown sludge in water treatment plants often contains iron(III) hydroxide precipitated by adding a base to iron-containing water.
Tầm quan trọng công nghiệp
Iron hydroxide precipitation is used in water and wastewater treatment for removing phosphates, heavy metals, and suspended solids. Iron(III) chloride is a major flocculant.
Tính chất
- Loại
- Double Replacement
- Thuận nghịch
- Không
- Năng lượng
- Tỏa nhiệt
- ΔH
- -88,0 kJ/mol
Phản ứng liên quan
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 Iron(III) Chloride (Rust Color)
Sodium Hydroxide and Hydrochloric Acid Neutralization
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.