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Tardigrade
Question
Chemistry
The number of paramagnetic species from the following is [ Ni ( CN )4]2- ⋅[ Ni ( CO )4],[ NiCl 4]2- [ Fe ( CN )6]4-,[ Cu ( NH 3)4]2+ [ Fe ( CN )6]3- text and [ Fe ( H 2 O )6]2+
Q. The number of paramagnetic species from the following is ________
[
N
i
(
CN
)
4
]
2
−
⋅
[
N
i
(
CO
)
4
]
,
[
N
i
C
l
4
]
2
−
[
F
e
(
CN
)
6
]
4
−
,
[
C
u
(
N
H
3
)
4
]
2
+
[
F
e
(
CN
)
6
]
3
−
and
[
F
e
(
H
2
O
)
6
]
2
+
1419
129
JEE Main
JEE Main 2023
Coordination Compounds
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Answer:
4
Solution:
[
C
u
(
N
H
3
)
4
]
+
2
:
C
u
+
2
⇒
one unpaired electron : paramagnetic
