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JEE Main2012Chemistryd and f Block ElementsActual

Which of the following forms stable +4 oxidation state?

Options

  1. ALa (Z=57)
  2. BEu (Z=63)
  3. CCe (Z=58)
  4. DGd (Z=64)

Correct answer

C. Ce (Z=58)

Step-by-step solution

Only Ce (Z=58) shows stable (+4) oxidation state.

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