Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The correct increasing order of spin-only magnetic moment values of the complex ions
and 
is:
A
B
D
( 
Text Solution
Verified by ExpertsThe correct answer is:
B
Calculate spin-only magnetic moment using 
where 
is the number of unpaired electrons.
For 
: Mn (II) in tetrahedral environment is high spin with 5 unpaired electrons.
.
For 
has 1 unpaired electron. 
.
For 
: 
in square planar geometry is low spin with 0 unpaired electrons.
.
For 
: 
in octahedral environment is high spin with 2 unpaired electrons.
.
Increasing order: 
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