Q. Which lanthanide compound is used as a pigment?
A) ${CeO}_{2}$
B) $Ce(OH)_{3}$
C) $Lu(OH)_{3}$
D) $Tb(OH)_{3}$
Explanation
(a)
Ceria or cerium oxide, ${CeO}_{2}$, a lanthanide compound is used as a pigment and as a polishing agent for glass.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.