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Tardigrade
Question
Chemistry
When excess of ammonia is added to copper sulphate solution, the deep blue coloured complex is formed. The complex is
Q. When excess of ammonia is added to copper sulphate solution, the deep blue coloured complex is formed. The complex is
1540
192
Coordination Compounds
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A
tetrahedral and paramagnetic
3%
B
tetrahedral and diamagnetic
6%
C
square planar and diamagnetic
4%
D
square planar and paramagnetic
86%
Solution:
C
u
2
+
+
2
O
H
−
→
C
u
(
O
H
)
2
C
u
(
O
H
)
2
+
4
N
H
3
→
deep blue
[
C
u
(
N
H
3
)
4
]
2
+
+
2
O
H
−
In
[
C
u
(
N
H
3
)
4
]
2
+
oxidation state of
C
u
=
+
2
Hybridisation is
d
s
p
2
hence geometry is square planar and paramagnetic due to presence of one unpaired electron.
