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

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.