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Question: Answered & Verified by Expert
In the modern blast furnaces, the charge consists of a mixture of
ChemistryGeneral Principles and Processes of Isolation of MetalsJEE Main
Options:
  • A Calcined iron oxides + lime + anthracite coal
  • B Calcined iron oxides + limestone + coke
  • C Hydrated iron oxides + dolomite + coke
  • D Iron pyrites + lime +bituminous coal
Solution:
1605 Upvotes Verified Answer
The correct answer is: Calcined iron oxides + limestone + coke
Modern blast furnaces consists of
\(\underset{1}{\mathrm{CaCO}_3} \underset{\vdots}{+} \underset{4}{\text { Coke }} \underset{\vdots}{+} \underset{8}{\text { Calcinedironoxide }}\)
and following reaction takes place
\(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{CO} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_2\)

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