Question

When compared to ΔG° for the formation of Al₂O₃ ΔG° for the formation of Cr₂O₃ is

Options

• Same

• Unpredicted

• Lower

• Higher

Answer 1

Unpredicted

Explanation:

ΔG° is greater for the formation of Cr₂O₃. As a result, Cr₂O₃ can be reduced by aluminium metal, where as the opposite is not true.