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In an Ellingham diagram the standard free energy change G for...

This question belongs to Metallurgical Engineering Physical Metallurgy
Physical Metallurgy
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In an Ellingham diagram, the standard free energy change ΔG° for the oxidation reaction of a metal M given by : xM(s) + O2(g) ⟶ MxO2(s), is plotted as a function of temperature. The slope of this line is positive because

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Correct Answer: Option B
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