Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
The chemical formula of Prussian blue is formed by the reaction of ferric ion and ferrocyanide is
Q. The chemical formula of Prussian blue is formed by the reaction of ferric ion and ferrocyanide is
1376
186
NTA Abhyas
NTA Abhyas 2020
The d-and f-Block Elements
Report Error
A
K
4
[
F
e
(
CN
)
6
]
25%
B
N
a
4
[
F
e
(
CN
)
6
]
11%
C
F
e
4
[
F
e
(
CN
)
6
]
3
58%
D
None of these
6%
Solution:
The chemical formula of Prussian blue is
F
e
4
[
F
e
(
CN
)
6
]
3
.
F
e
3
+
reacts with sodium ferrocyanide to give ferriferrocyanide (Prussian blue) as follows
4
F
e
3
+
+
3
N
a
4
[
F
e
(
CN
)
6
]
→
F
e
4
[
F
e
(
CN
)
6
]
3
+
12
N
a
+