Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr₂O₃ → Al₂O₃ + 2Cr

Descripción general

Aluminum reduces chromium(III) oxide in an aluminothermic reaction similar to the iron thermite reaction. The reaction produces aluminum oxide and chromium metal at extremely high temperatures. This is one method for producing chromium metal.

Participantes

Rol	Sustancia	Coeficiente	Estado
Reactivo	Aluminum Al	2	(s)
Producto	Aluminum Oxide Al₂O₃	1	(s)
Producto	Chromium Cr	2	(l)

Ejemplo cotidiano

This type of aluminothermic reaction is one of the methods used to produce the chromium used in stainless steel and chrome plating.

Importancia industrial

La reducción aluminotérmica se utiliza comercialmente para producir cromo, manganeso y otros metales que son difíciles de reducir mediante la reducción convencional con carbono.

Propiedades

Tipo: Single Replacement
Reversible: No
Energía: Exotérmico
ΔH: -536,0 kJ/mol

Reacciones relacionadas

Aluminum Reacting with Iron(III) Oxide (Thermite) Chlorine Displacing Iodine from Potassium Iodide Magnesium Reacting with Steam Lithium Reacting with Water Aluminum Reacting with Hydrochloric Acid Iron Reacting with Hydrochloric Acid Iron Displacing Copper from Copper Sulfate Zinc Displacing Copper from Copper Sulfate Magnesium Reacting with Hydrochloric Acid Fluorine Displacing Chlorine from Sodium Chloride

Frequently Asked Questions

What is the equation for Aluminum Reducing Chromium Oxide (Aluminothermic)?

The balanced equation is: 2Al + Cr₂O₃ → Al₂O₃ + 2Cr.

What type of reaction is Aluminum Reducing Chromium Oxide (Aluminothermic)?

Aluminum Reducing Chromium Oxide (Aluminothermic) is a single replacement reaction.

Is Aluminum Reducing Chromium Oxide (Aluminothermic) exothermic or endothermic?

Aluminum Reducing Chromium Oxide (Aluminothermic) is exothermic (releases energy). The enthalpy change (ΔH) is -536.0 kJ/mol.