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What does the Ellingham diagram consist of?

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in Chemistry – Class 12 by (188k points)
What does the Ellingham diagram consist of?

(a) Plots of ΔfG° vs T

(b) Plots of T vs ΔfG°

(c) Plots of ΔfG° vs ΔS

(d) Plots of ΔS vs ΔfG°

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This interesting question is from Thermodynamic Principles of Metallurgy topic in division General Principles and Processes of Isolation of Elements of Chemistry – Class 12

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Best answer
Correct option is (a) Plots of ΔfG° vs T

Best explanation: Ellingham diagram normally consists of plots of ΔfG° vs T for formation of oxides of elements. Similar diagrams can also be constructed for sulphides and halides of elements. These diagrams help us in predicting the feasibility of thermal reduction of an ore.

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