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The conversion of FeO " to " Fe2O3 is re...

The conversion of `FeO " to " Fe_2O_3` is reduction reaction.

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The conversion of FeO to `Fe_2O_3` is oxidation reaction
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From the following data at 25^(@)C , Calculate the standard enthalpy of formation of FeO(s) and of Fe_(2)O_(3) (s) . {:(,"Reaction",Delta_(r)H^(@)" (kJ/mole)"),((1),Fe_(2)O_(3)(s)+3C ("graphite") rarr 2Fe(s) +3CO(g),492.6),((2),FeO(s)+C("graphite") rarr Fe(s)+CO(g),155.8),((3),C("graphite")+O_(2) (g) rarr CO_(2)(g),-393.51),((4),CO(g)+1//2O_(2)(g) rarr CO_(2)(g),-282.98):}

In the preparation of iron from haematite (Fe_2O_3) by the reduction with carbon Fe_2O_3+C rarr Fe+CO_2 how much 80% pure iron may be produced from 120kg of 90% pure Fe_2 O_3 ?

Knowledge Check

  • Which of the following conversions represents a reduction reaction?

    A
    Pyruvate `rarr` Acetyl CoA
    B
    `NADH+H^(+)rarrNAD^(+)+2H`
    C
    3 PGAld `rarr` Pyruvate
    D
    Acetaldehyde `rarr` Ethanol

  • Fe_2O_3 + 3C to 2Fe + 3CO , in this reaction

    A
    Fe undergoes oxidation and C undergoes reduction
    B
    Fe undergoes reduction and C undergoes oxidation
    C
    both Fe and C undergo reduction
    D
    both Fe and C undergo oxidation

  • What volume at STP of CO is required to reduce one mole of Fe_2O_3 in the following reaction Fe_2O_3 + CO to Fe + CO_2

    A
    `11200 cm^3`
    B
    `22400 cm^3`
    C
    `67200 cm^3`
    D
    `33600 cm^3`

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    Iron is obationed on a commercial scale from Fe_2O_3 by reduction with

    At the temperature corresponding to which of the points will be reduced to Fe by coupling the reaction 2 FeO to 2 Fe + O _ 2 will al of the following reactions ? (i) C + O _ 2 to CO _ 2 (ii) 2 C+ O _ 2 to 2 CO and (iii) 2 CO + O _ 2 to 2 CO _ 2

    5 moles of VO and 6 moles of Fe_(2)O_(3) are allowed to react completely according to reaction VO + Fe_(2)O_(3) rArr FeO + V_(2)O_(5) The number of moles of V_(2)O_(5) formed is:

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