Question

# What is the action of carbon on the following metal oxide $F{{e}_{2}}{{O}_{3}}$ in a blast furnace?

$F{{e}_{2}}{{O}_{3}}+3C\xrightarrow{\Delta }2Fe+3CO(g)$
Note: Wrought iron is the purest form of iron available commercially, and is prepared from the cast iron by heating the cast iron in a furnace line with Haematite ($F{{e}_{2}}{{O}_{3}}$). Limestone is also added in a blast furnace as flux and it creates the slag. Impurities such as S, Si pass into the slag and the slag late can be easily separated to yield pure iron.