Q. The geometry and magnetic behaviour of the complex $[Ni(CO)_4]$ are
A) square planar geometry and paramagnetic
B) tetrahedral geometry and diamagnetic
C) square planar geometry and diamagnetic
D) tetrahedral geometry and paramagnetic
Explanation
[Solution] Ni(0) is $3d^{10}$ after pairing ($sp^3$): tetrahedral and diamagnetic. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.