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KCET2018Chemistryd and f Block Elements

Which of the following oxidation states is common for all lanthanides?

Options

  1. A( +2 )
  2. B( +3 )
  3. C( +4 )
  4. D( +5 )

Correct answer

B. ( +3 )

Step-by-step solution

Lanthanoids exhibit ( +3 ) oxidation states as the most stable configuration is acquired on losing ( 3 e⁻ s ).

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