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VITEEE 2018 Paper
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Section:
Chemistry
Share question:
© examsnet.com
Question : 64
Total: 125
The complex showing a spin-only magnetic moment of 2.82 B.M. is :
N
i
(
C
O
)
4
[
N
i
C
l
4
]
2
−
N
i
(
P
P
h
3
)
4
[
N
i
(
C
N
)
4
]
2
−
Validate
Solution:
[
N
i
C
l
4
]
2
−
O.S. of Ni = + 2
Ni (28) =
3
d
8
4
s
2
Cl being weak ligand it cannot pair up the two electrons present in 3d orbital
No. of unpaired electrons = 2
Magnetic moment, µ = 2.82 BM.
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