Q117
in a typical Ellingham diagram for the oxides, the C + O2 = CO2 line is nearly horizontal because
A.
The slope of the line is equal to the enthalpy change at standard state, which is approximately zero is this case
B.
The slope of the line is equal to the entropy change at standard state, which is approximately zero in the case
AnswerC.
CO2 shows non-ideal behaviour
D.
CO2 is a gaseous oxide
Answer: Option B
Solution
Answer: Option B
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