Q. Most common oxidation states of Ce (cerium) are

A) +3, +4
B) +2, +3
C) +2, +4
D) +3, +5
Explanation

(a)
Cerium ${Ce}_{58} = \lbrack Xe\rbrack 4f^{1},5d^{1},6s^{2}$
It most stable oxidation state is +3but +4 is also existing.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.