JEE Main 2024 Chemistry question
Given below are two statements: Statement (I) : In the Lanthanoids, the formation Ce⁺⁴ is favoured by its noble gas configuration. Statement (II) : 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:
Answer: (D)
Solution
Ce (Z = 58) is [Xe]4f¹5d¹6s², and Ce⁴⁺ is [Xe] 4f⁰ (noble gas configuration), which favours
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