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  • Stuck here, help me understand: The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.

The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.

  • Option 1)

    Fe_{2}O_{3}(s)+3CO(g)\rightarrow 2Fe(l)+3CO_{2}(g)

  • Option 2)

    CaCO_{3}(s)\rightarrow CaO(s)+CO_{2}(g)

  • Option 3)

    CaO(s)+SiO_{2}(s)\rightarrow CaSiO_{3}(s)

  • Option 4)

    2C(s)+O_{2}(g)\rightarrow 2CO(g)

 

Answers (1)

best_answer

 

Slag -

The fusible material formed by the reaction of flux and gangue.

- wherein

FeO + SiO2 \rightarrow FeSiO3

 

 CaO(s)+SiO_{2}(s)\rightarrow CaSiO_{3}(s)

 


Option 1)

Fe_{2}O_{3}(s)+3CO(g)\rightarrow 2Fe(l)+3CO_{2}(g)

Incorrect

Option 2)

CaCO_{3}(s)\rightarrow CaO(s)+CO_{2}(g)

Incorrect

Option 3)

CaO(s)+SiO_{2}(s)\rightarrow CaSiO_{3}(s)

Correct

Option 4)

2C(s)+O_{2}(g)\rightarrow 2CO(g)

Incorrect

Posted by

prateek

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