Q. The sum of coordination number and oxidation number of the metal M in the complex $[M(en)_2(C_2O_4)]Cl$ (where en is ethylenediamine) is :-
A) 7
B) 8
C) 9
D) 6
Explanation
[Solution] Oxidation state of M = +3; coordination number = 6 (two bidentate en, one bidentate oxalate). Sum = 9. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.