Published by:
CGP EDU Academic Team
Published on: August 22, 2026
For 
, the number of geometrical Isomers 
. Determine the spin only magnetic moment and CFSE for 
(Ignore pairing energy).
A
1.73 B. M., 
B
2.84 B. M. , 
C
D
5.92 B. M., 
Text Solution
Verified by ExpertsThe correct answer is:
A
Number of geometrical isomers (n) 
This implies, that Iron is in its +3 oxidation state.
is a strong ligand in 
and causes pairing. Hence, according to 
, the configuration will be 
.
Hence, there is only 1 unpaired electron, i.e, 
in 
B.M
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