Question
Question: Ellingham diagram represents :...
Ellingham diagram represents :
A
Change of DG with temperature.
B
Change of DH with temperature.
C
Change of DG with pressure.
D
Change of (DG – TDS) with temperature.
Answer
Change of DG with temperature.
Explanation
Solution
The free energy change that occurs when 1 mol of common reactant (in this case O2) is used may be plotted graphically against temperature for a number of reactions. This is called an Ellingham diagram.