Q.
Given below are two statements :
Statement I : According to the Ellingham diagram, any metal oxide with higher $\Delta G ^{\circ}$ is more stable than the one with lower $\Delta G ^{\circ}$.
Statement II : The metal involved in the formation of oxide placed lower in the Ellingham diagram can reduce the oxide of a metal placed higher in the diagram.
In the light of the above statements, choose the most appropriate answer from the options given below :
Solution: