The number of paramagnetic metal complex species among
,
and 
with same number of unpaired electrons is .
Text Solution
Verified by Experts2
(2)
To determine which metal complexes are paramagnetic and have the same number of unpaired electrons, let's analyze each one:
Cobalt ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Diamagnetic (unpaired electrons 
)
Cobalt ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Diamagnetic (unpaired electrons 
)
Manganese ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Paramagnetic (unpaired electrons = 4)
Manganese ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Paramagnetic (unpaired electrons = 2)
Cobalt ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Paramagnetic (unpaired electrons = 4)
Iron ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Paramagnetic (unpaired electrons = 1)
Iron ion: 
Electron configuration: 
Orbital occupancy: 
Magnetic property: Paramagnetic (unpaired electrons = 5)
From this analysis, the paramagnetic complexes having the same number of
unpaired electrone (4 unpaired electrons) are:
These two complexes show the same paramagnetic property, each with 4 unpaired electrons.
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