Most common oxidation states of Ce (cerium) are

  • Option 1)

    +2,+3\;

  • Option 2)

    \; +2,+4\;

  • Option 3)

    \; +3,+4\;

  • Option 4)

    \; +3,+5

 

Answers (1)

As we learnt in

Oxidation states -

The common oxidation state of lanthanoid is +3 low occasionally +2  and  +4  ions in solution or in the solid compound are also obtained.

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 Electronic configuration of Ce is [Xe] uf 2 ,6s due to which it shows +3 and +4 oxidation state.


Option 1)

+2,+3\;

This option is incorrect.

Option 2)

\; +2,+4\;

This option is incorrect.

Option 3)

\; +3,+4\;

This option is correct.

Option 4)

\; +3,+5

This option is incorrect.

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