Q. Jahn-Teller effect not observed in high spin complexes of :-
A) $d^7$
B) $d^8$
C) $d^4$
D) $d^9$
Explanation
[Solution] High-spin $d^8$ ($t_{2g}^6e_g^2$) is symmetrically filled, so no Jahn-Teller distortion. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.