Given below are two statements:
Statement I : Among 
and 
has the maximum number of unpaired electrons.
Statement II : The number of pairs among 
and 
that contain only diamagnetic species is two.
In the light of the above statements, choose the correct answer from the options given below:
Statement I is true but Statement II is false Both Statement I and Statement II are false
Text Solution
Verified by ExpertsA
Statement I: Unpaired electrons in each complex:
is 
unpaired
is 
, octahedral 
unpaired
is 
unpaired
is 
, weak field → high spin 
unpaired
has maximum. Statement I is true.
Statement II: 
, tetrahedral → paramagnetic
diamagnetic
, square planar → diamagnetic
Only pair 
has both diamagnetic. Count 
, not 2 . Statement II is false.
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