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Chemistry
The correct formula of the complex tetraammineaquachlorocobalt (III) chloride is
Q. The correct formula of the complex tetraammineaquachlorocobalt (III) chloride is
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A
[
Cl
(
H
2
O
)
(
N
H
3
)
4
C
o
]
Cl
B
[
C
o
Cl
(
H
2
O
)
(
N
H
3
)
4
]
Cl
C
[
C
o
(
N
H
3
)
4
(
H
2
O
)
Cl
]
Cl
D
[
C
o
Cl
(
H
2
O
)
(
N
H
3
)
4
]
C
l
2
Solution:
The correct formula of the complex tetraammine aqua chlorocobalt (III) chloride is
[
C
o
Cl
(
H
2
O
)
(
N
H
3
)
4
]
C
l
2
, because in it the oxidation number of Co is
+
3
.
[
C
o
Cl
(
H
2
O
)
(
N
H
3
)
4
]
C
l
2
x
+
(
−
1
)
+
0
+
(
0
×
4
)
+
(
−
1
)
2
=
0
x
−
3
=
0
x
=
+
3