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KCET2024Chemistryd and f Block Elements

Which of the following statements related to lanthanoids is incorrect?

Options

  1. ALanthanoids are silvery white soft metals.
  2. BSamarium shows +2 oxidation state.
  3. CCe ⁺⁴ solutions are widely used as oxidising agents in titrimetric analysis.
  4. DColour of lanthanoid ion in solution is due to d-d transition.

Correct answer

D. Colour of lanthanoid ion in solution is due to d-d transition.

Step-by-step solution

The incorrect statement regarding lanthanoids is given in option (d). Its correct form is colour of Lanthanoid ion is solution is due to ff transition.

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