GATE MT 2015 Q42. Consider the reaction: Fe3O4 (solid,pure) + CO(gas,1 atm) →3 FeO(solid, pure) + CO2 (gas,1 atm). For this reaction, ΔG0 1200 = -8000 joules per mole of CO and R=8.314 J mol-1 K-1. The equilibrium ratio Pco2/Pco for the reaction at 1200 K and 1 atm is_____.

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Asked: April 3, 20202020-04-03T04:06:50+05:30 2020-04-03T04:06:50+05:30In: Thermodynamics & Rate Processes

GATE MT 2015 Q42. Consider the reaction: Fe3O4 (solid,pure) + CO(gas,1 atm) →3 FeO(solid, pure) + CO2 (gas,1 atm). For this reaction, ΔG0 1200 = -8000 joules per mole of CO and R=8.314 J mol-1 K-1. The equilibrium ratio Pco2/Pco for the reaction at 1200 K and 1 atm is_____.

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Askmemetallurgy Official · Accepted Answer · 2020-08-02T20:10:40+05:30

Correct answer is in the range of 2.1-2.3 Given reaction: Fe3O4 (solid,pure) + CO(gas,1 atm) →3 FeO(solid, pure) + CO2 (gas,1 atm). ΔG01200 = -8000 joules per mole of CO We know that, ΔG=-RTlnk On substitution, -8000=-8.314×1200×lnk lnK= 0.802 k= 2.3

Correct answer is in the range of 2.1-2.3

Given reaction: Fe3O4 (solid,pure) + CO(gas,1 atm) →3 FeO(solid, pure) + CO2 (gas,1 atm).

ΔG⁰1200 = -8000 joules per mole of CO

We know that, ΔG=-RTlnk

On substitution, -8000=-8.314×1200×lnk

lnK= 0.802

k= 2.3

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GATE MT 2015 Q42. Consider the reaction: Fe3O4 (solid,pure) + CO(gas,1 atm) →3 FeO(solid, pure) + CO2 (gas,1 atm). For this reaction, ΔG0 1200 = -8000 joules per mole of CO and R=8.314 J mol-1 K-1. The equilibrium ratio Pco2/Pco for the reaction at 1200 K and 1 atm is_____.

1 Answer

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