Q.

Production of iron in blast furnace follows the following equation Fe3O4(s)+4CO(g)3Fe(l)+4CO2(g) when 4.640 kg of Fe3O4 and 2.520 kg of CO are allowed to react then the amount of iron (in g) produced is :

[Given: Molar Atomic mass gmol1:Fe=56

            Molar Atomic mass gmol1:O=16

            Molar Atomic mass gmol1:C=12

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a

2200

b

4200

c

1400

d

3360

answer is C.

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Detailed Solution

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Moles of Fe3O4=4.640×103232=20
Moles of CO =2.52×10328=90
So limiting Reagent = Fe3O4
So moles of Fe formed = 60
Weight of Fe = 60 × 56 = 3360 gms

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