Which of the following reduction is not thermodynamically feasible?
A. Cr2O3 → Al2O3 + 2Cr
B. Al2O3 → Cr2O3 + 2Al
C. 3TiO2 + 4Al → 2Al2O3 + 2Al
D. none of these
Answer:B
Which of the following reduction is not thermodynamically feasible?
A. Cr2O3 → Al2O3 + 2Cr B. Al2O3 → Cr2O3 + 2Al C. 3TiO2 + 4Al → 2Al2O3 + 2Al D. none of these