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Given below are two statements:
Statement I: The $E^{0}$ value for $C e_{}^{4 +} / C e^{3 +} i s + 1.74 V .$
Statement II: Ce is more stable in $C e_{}^{4 +}$ state than $C e^{3 +}$ state.
In the light of the above statements, chose the most appropriate answer from the options given below:

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Both statement I and statement II are correct

Statement I is incorrect but statement II is correct

Both statement I and statement II are incorrect

Statement I is correct but statement II is incorrect

answer is D.

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Detailed Solution

Statement I is correct as +3 oxidation state of lanthanoids is more stable. Thus $E_{C e^{4 +} / C e^{+ 3}}^{0}$ is positive.Statement II is incorrect as lanthanoids are more stable in +3 oxidation state.

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