Iron(III) Chloride and Sodium Hydroxide

FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

Ikhtisar

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.

Peserta

Peran Zat Koefisien Keadaan
Reaktan Iron(III) Chloride FeCl₃ 1 (aq)
Reaktan Sodium Hydroxide NaOH 3 (aq)
Produk Sodium Chloride NaCl 3 (aq)

Contoh Sehari-hari

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

Pentingnya dalam Industri

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.

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.