JEE Mains Model Paper 3

An Ellingham diagram is a graph showing the temperature dependence of the stabilityfor compound. The Ellingham diagram plots the Gibbs free energy change (ΔG) foreach oxidation reaction as a function of temperature. For oxidation of carbon, the redline is for the formation of CO:
C(s) +

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O2(g) ➔ CO(g)with an increase in the number of moles of gas, leading to apositive ΔS and a negative slope