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Question
Chemistry
When copper sulphate solution is added to potassium ferrocyanide, the formula of product obtained is
Q. When copper sulphate solution is added to potassium ferrocyanide, the formula of product obtained is
1566
203
UPSEE
UPSEE 2010
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A
C
u
2
F
e
(
CN
)
6
B
C
u
(
CN
)
3
C
C
u
F
e
(
CN
)
6
D
C
u
(
CN
)
2
Solution:
Copper sulphate gives a reddish brown precipitate of
C
u
2
[
F
e
(
CN
)
6
]
, when treated with potassium ferrocyanide.
2
C
u
S
O
4
+
K
4
[
F
e
(
CN
)
6
]
⟶
reddish brown ppt.
C
u
2
[
F
e
(
CN
)
6
]
+
2
K
2
S
O
4