Given below are two statements:
Statement I: The number of paramagnetic species among 
and 
is 3 .
Statement II: 
is the correct order in terms of number of unpaired electron(s) present in the complexes.
In the light of the above statements, choose the correct answer from the options given below
Text Solution
Verified by ExpertsA
Statement I: Analysis of paramagnetic species.
(i) 
is 
is a weak field ligand (WFL), so configuration is 
. (i) Unpaired electrons 
. Paramagnetic.
(ii) 
is 
. Paramagnetic.
(iii) 
is 
. Diamagnetic.
(iv) 
is 
is a strong field ligand (SFL), so configuration is 
. Paramagnetic. Total paramagnetic species 
. Statement I is true.
Statement II: Analysis of unpaired electrons.
(i) 
with 
.
(ii) 
with 
.
(iii) 
with WFL 
.
(iv) 
with 
.
Order of n: 
. Statement II is true.
Both statements are true.
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