Q.

Given below are two statements :

Statement I: According to the Ellingham diagram, any metal oxide with higher ΔG° is more stable than the one with lower ΔG°.

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:

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a

Statement I is correct but Statement II is incorrect.

b

Statement I is incorrect but Statement II is correct.

c

Both Statement I and Statement II are correct.

d

Both Statement I and Statement II are incorrect.

answer is D.

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Detailed Solution

Metal oxide with lower ΔG° is more stable, hence first statement is incorrect.

 

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