Q89
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
A.
ΔS° is positive
B.
ΔS° is negative
AnswerC.
ΔH° is positive
D.
ΔH° is negative
Answer: Option B
Solution
Answer: Option B
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