Q. Which one of the following transition metal ions is diamagnetic?
A) ${Co}^{2 +}$
B) ${Ni}^{2 +}$
C) ${Cu}^{2 +}$
D) ${Zn}^{2 +}$
Explanation
(d)
${Zn}^{2 +}$ ions have all paired electrons so, it is diamagnetic .
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.