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Tardigrade
Question
Chemistry
With K 4[ Fe ( CN )6], Cu 2+ ions gives
Q. With
K
4
[
F
e
(
CN
)
6
]
,
C
u
2
+
ions gives
7470
255
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A
a blue ppt.
B
a bluish green ppt
C
a blood red ppt.
D
a reddish brown ppt.
Solution:
With
K
4
[
F
e
(
CN
)
6
]
,
C
u
2
+
ions gives reddish brown ppt.
2
C
u
S
O
4
+
K
4
[
F
e
(
CN
)
6
]
⟶
reddish <br/> brown ppt
C
u
2
[
F
e
(
CN
)
6
]
+
2
K
2
S
O
4