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Problem
Problem
Which of the following complex ion has a magnetic moment same as
[
Cr
(
H
2
O
)
6
]
3
+
[\text{Cr}(\text{H}_2\text{O})_6]^{3+}
[
Cr
(
H
2
O
)
6
]
3
+
? a.
[
Mn
(
H
2
O
)
6
]
4
+
[\text{Mn}(\text{H}_2\text{O})_6]^{4+}
[
Mn
(
H
2
O
)
6
]
4
+
b.
[
Mn
(
H
2
O
)
6
]
3
+
[\text{Mn}(\text{H}_2\text{O})_6]^{3+}
[
Mn
(
H
2
O
)
6
]
3
+
c.
[
Fe
(
H
2
O
)
6
]
3
+
[\text{Fe}(\text{H}_2\text{O})_6]^{3+}
[
Fe
(
H
2
O
)
6
]
3
+
d.
[
Cu
(
H
3
N
)
4
]
2
+
[\text{Cu}(\text{H}_3\text{N})_4]^{2+}
[
Cu
(
H
3
N
)
4
]
2
+
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