Verified Solution • 2025–26 Session moderate

QJEEM24Ch8114: JEE Main 2024 Chemistry - Class 12 JEEM24Ch8114 Solution: Given below are two statements : Statement (I) : In the…

Given below are two statements :

Statement (I) : In the Lanthanoids, the formation Ce+4\mathrm{Ce}^{+4} is favoured by its noble gas configuration.

Statement (II) : Ce+4\mathrm{Ce}^{+4} is a strong oxidant reverting to the common +3 state.

In the light of the above statements, choose the most appropriate answer from the options given below :

Multiple Choice Options

  • A Both Statement I and Statement II are false
  • B Statement I is true but Statement II is false
  • C Both Statement I and Statement II are true
  • D Statement I is false but Statement II is true

Step-by-Step Verified Solution

Statement (1) is true, Ce+4\mathrm{Ce}^{+4} has noble gas electronic configuration.

Statement (2) is also true due to high reduction potential for Ce4+/Ce3+(+1.74 V)\mathrm{Ce}^{4+} / \mathrm{Ce}^{3+}(+1.74 \mathrm{~V}) , and stability of Ce3+,Ce4+\mathrm{Ce}^{3+}, \mathrm{Ce}^{4+} acts as strong oxidizing agent.

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