Q. Which one of the following is a diamagnetic ion?
A) $Co^{2 +}$
B) $Cu^{2 +}$
C) $Mn^{2 +}$
D) $Sc^{3 +}$
Explanation
The correct answer is Option D: $Sc^{3 +}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.