Correct statements from the graph
I) Above 1073 K,`DeltaG^(0)` for the formation of `F_(2)O_(3)` is less negative than `DeltaG^(0)` for the formation of CO from carbon
II) Above 1073K, Carbon can reduce `Fe_(2)O_(3)`
III) Below 1073K, CO can reduce `Fe_(2)O_(3)`
IV) In blast furnance, reduction of `Fe_(2)CO_(3)` occurs in different temperature ranges with below 1073K by CO (or) above 1073 K by carbon
A. Only I
B. I,II only
C. I,II,III only
D. All
