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JEE Main2012Chemistryd and f Block ElementsActual

Which is not the correct Statement? (At. nos. Ce =58, Lu =71, La =57, Yb =70 )

Options

  1. AColour of Yb ³⁺ ion is pink.
  2. BLa ³⁺ is diamagnetic.
  3. CCe ⁴⁺ has f^0 configuration.
  4. DLu ³⁺ had f¹⁴ configuration.

Correct answer

A. Colour of Yb ³⁺ ion is pink.

Step-by-step solution

Option (a) is incorrect as Yb ³⁺ is colorless.

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