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Tardigrade
Question
Chemistry
In which of the following coordination compounds do the transition metals have an oxidation number of +6?
Q. In which of the following coordination compounds do the transition metals have an oxidation number of +6?
2020
224
NTA Abhyas
NTA Abhyas 2020
Coordination Compounds
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A
[
C
r
(
H
2
O
)
4
C
l
2
]
Cl.
2
H
2
O
B
[
F
e
(
CO
)
5
]
C
[
(
H
2
O
)
5
C
r
−
O
−
C
r
(
H
2
O
)
5
]
4
+
D
K
2
[
C
r
(
CN
)
2
O
2
(
O
2
)
N
H
3
]
Solution:
In this complex, oxide and peroxide both ligands are present
So +2 + x - 8 = 0
x = + 6.
