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Chemistry
Chemistry
Problem
When ammonia is added to a cupric salt solution, the deep blue colour is observed it is due to the formation of : a.
[
Cu
(
OH
)
4
]
2
−
[\text{Cu}(\text{OH})_4]^{2-}
[
Cu
(
OH
)
4
]
2
−
b.
[
Cu
(
NH
3
)
4
]
2
+
[\text{Cu}(\text{NH}_3)_4]^{2+}
[
Cu
(
NH
3
)
4
]
2
+
c.
[
Cu
(
H
2
O
)
2
(
NH
3
)
2
]
2
+
[\text{Cu}(\text{H}_2\text{O})_2(\text{NH}_3)_2]^{2+}
[
Cu
(
H
2
O
)
2
(
NH
3
)
2
]
2
+
d.
[
Cu
(
H
2
O
)
4
]
2
+
[\text{Cu}(\text{H}_2\text{O})_4]^{2+}
[
Cu
(
H
2
O
)
4
]
2
+
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