Q.
‘Spin only’ magnetic moment is same for which of the following ions?
A. Ti$^{3+}$ B. Cr$^{2+}$
C. Mn$^{2+}$ D. Fe$^{2+}$
E. Sc$^{3+}$
Choose the most appropriate answer from the options given below:
A) B and C only
B) A and D only
C) B and D only
D) A and E only
Explanation
[Solution by Claude - not from source] Unpaired electrons: $Ti^{3+}$ 1, $Cr^{2+}$ 4, $Mn^{2+}$ 5, $Fe^{2+}$ 4, $Sc^{3+}$ 0. $Cr^{2+}$ and $Fe^{2+}$ match. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.