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Cerium (Z 58) is an important member of ...

Cerium (Z 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect? 1)The common oxidation states of cerium are +3 and 4 2)The +3 oxidation state of cerium is more stable than +4 oxidation state. 3)The +4 oxidation state of cerium is not known in solutions, 4)Cerium (IV) acts as an oxidizing agent.

A

The common oxidation states of cerium are +3 and 4

B

The +3 oxidation state of cerium is more stable than +4 oxidation state.

C

The +4 oxidation state of cerium is not known in solutions,

D

Cerium (IV) acts as an oxidizing agent.

Text Solution

Verified by Experts

The correct Answer is:
C
`Ce^(+4) " exists in solution though it tends to change to more stble " Ce^(+3)`
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