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Chemistry
Chemistry
Problem
The most stable ion is : a.
[
Fe
(
C
2
O
4
)
3
]
3
−
[\text{Fe}(\text{C}_2\text{O}_4)_3]^{3-}
[
Fe
(
C
2
O
4
)
3
]
3
−
b.
[
Fe
(
CN
)
6
]
3
−
[\text{Fe}(\text{CN})_6]^{3-}
[
Fe
(
CN
)
6
]
3
−
c.
[
Fe
(
CN
)
6
]
4
−
[\text{Fe}(\text{CN})_6]^{4-}
[
Fe
(
CN
)
6
]
4
−
d.
[
Fe
(
H
2
O
)
6
]
3
+
[\text{Fe}(\text{H}_2\text{O})_6]^{3+}
[
Fe
(
H
2
O
)
6
]
3
+
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