Ellingham diagrams for chemical rxns - ONLY #5

ONLY #5 from the sheet attached.
These questions are like chemistry.
I need help with these problems involving material engineering and chemistry to see how metals are reduced from oxides.

I've done this on a quiz, but left something out and got zero credit. So could you please help me by showing your work for the solution, so that I may see what I'm leaving out.

Attachments