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JEE MAIN 2025
03-04-2025 SHIFT-1
Question
The metal ions that have the calculated spin-only magnetic moment value of 4.9 B.M. are :
A. ${\rm{C}}{{\rm{r}}^{2 + }}$
B. ${\rm{F}}{{\rm{e}}^{2 + }}$
C. ${\rm{F}}{{\rm{e}}^{3 + }}$
D. ${\rm{C}}{{\rm{o}}^{2 + }}$
E. ${\rm{M}}{{\rm{n}}^{3 + }}$
Choose the correct answer from the options given below:
Select the correct option:
A
B and E Only
B
A, C and E Only
C
A, B and E Only
D
A, D and E Only
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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