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Chemistry
Cerium (Z=58) is an important member of the lanthanides. Which of the following statements about cerium is incorrect?
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Q. Cerium $ (Z=58) $ is an important member of the lanthanides. Which of the following statements about cerium is incorrect?
Jamia
Jamia 2007
A
The common oxidation states of cerium are +3 and +4
B
The +3 oxidation state of cerium is more stable than the +4 oxidation state
C
The +4 oxidation state of cerium is not known in solutions
D
Cerium (IV) acts as an oxidising agent
Solution:
+3 and +4 states are shown by Ce in aqueous solution. Thus statement is incorrect.