1.

Cerium (Z= 58) is an important nember of the lanthanoids . Which of the following statements about cerium is incorrect ?

Answer»

The `+4` oxidation state of CERIUM is not known in solutions
The `+3` oxidation state of cerium is more stable than the `+4` oxidation state
The common oxidation states of cerium are `+3 and +4`
Cerium (IV) ACTS as an OXIDIZING agent

Answer :B


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