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KCET2019Chemistryd and f Block Elements

Incorrect statement with reference to ( Ce ( Z =58) )

Options

  1. AAtomic size of ( C e ) is more than that of Lu.
  2. BCe shows common oxidation states of ( +3 ) and ( +4 ).
  3. C( Ce ⁴⁺ ) is a reducing agent.
  4. DCe in ( +3 ) oxidation state is more stable than in ( +4 ).

Correct answer

C. ( Ce ⁴⁺ ) is a reducing agent.

Step-by-step solution

(C) ( C e⁴⁺ ) is an oxidizing agent.

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