Question
Chemistry Question on General Principles and Processes of Isolation of Elements
Which one of the following metals is extracted by a carbon reduction process?
A
Copper
B
Iron
C
Aluminium
D
Magnesium
Answer
Iron
Explanation
Solution
The less electropositive metals such as Fe,Zn,Sn etc are extracted from their oxides by reduction with carbon or coal.
Fe2O3+3C→2Fe+3CO
Fe2O3+3CO→ iron2Fe+3CO2