Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr2O3 → Al2O3 + 2Cr

개요

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.

참여 물질

역할 물질 계수 상태
반응물 Aluminum Al 2 (s)
생성물 Aluminum Oxide Al₂O₃ 1 (s)
생성물 Chromium Cr 2 (l)

일상 속 예시

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

산업적 중요성

알루미노써믹 환원은 통상적인 탄소 환원으로는 환원하기 어려운 크롬, 망간 및 기타 금속을 상업적으로 생산하는 데 사용됩니다.

성질

유형
Single Replacement
가역 반응
아니오
에너지
발열
ΔH
-536.0 kJ/mol

관련 반응

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.