Given below are two statements related to Ellingham diagram:

Statement I : Ellingham diagrams can be constructed for formation of oxides, sulfides and halides of metals.

Statement II : It consists of plots of $\Delta_{\mathrm{f}} \mathrm{H}^{0}$ vs $\mathrm{T}$ for formation of oxides of elements.

In the light of the above statements, choose the most appropriate answer from the options given below:

1. A Both Statement I and Statement II are correct
2. B Both Statement I and Statement II are incorrect
3. C Statement I is correct but Statement II is incorrect Correct answer
4. D Statement I is incorrect but Statement II is correct