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Question
Chemistry
Copper sulphate dissolves in ammonical solution to give deep blue colour. The colour is due to the formation of:
Q. Copper sulphate dissolves in ammonical solution to give deep blue colour. The colour is due to the formation of:
2226
207
JIPMER
JIPMER 1995
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A
C
u
2
+
i
o
n
s
B
C
u
(
O
H
)
2
C
[
C
u
(
N
H
3
)
4
]
2
+
D
none of these
Solution:
Copper sulphate dissolves in ammonical solution as it forms complex compound with ammonia.
C
u
S
O
4
+
4
N
H
4
O
H
deep
blue
[
C
u
(
N
H
3
)
4
]
S
O
4
+
4
H
2
O