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NEET2016Chemistryd and f Block ElementsActual

Which one of the following statements related to lanthanons is incorrect?

Options

  1. AEuropium shows + 2 oxidation state.
  2. BThe basicity decreases as the ionic radius decreases from Pr to Lu .
  3. CAll the lanthanons are much more reactive than aluminium.
  4. DCe + 4 solutions are widely used as oxidizing agent in volumetric analysis.

Correct answer

C. All the lanthanons are much more reactive than aluminium.

Step-by-step solution

All the lanthanons are not much more reactive than aluminium.

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