Question

Most common oxidation states of Ce (cerium) are

Answer 1

Cerium (Ce), chemical element, themost abundant of the rare-earth metals. Commercial-grade cerium is iron-gray in colour, silvery when in a pure form, and about as soft and ductile as tin.

Answer 2

Most common oxidation states shown by cerium are +3,+4

Note: Cerium exhibits three oxidation states, +2, +3 and +4. The +2 state is rare and is observed in CeH2, CeI2 and CeS

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