Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Which one of the following complexes is violet in colour?
Q. Which one of the following complexes is violet in colour?
1866
222
JEE Main
JEE Main 2021
Coordination Compounds
Report Error
A
[
F
e
(
CN
)
6
]
4
17%
B
[
F
e
(
SCN
)
6
]
4
17%
C
F
e
4
[
F
e
(
C
N
6
)
]
3
⋅
H
2
O
13%
D
[
F
e
(
CN
)
5
NOS
]
4
52%
Solution:
(1)
[
F
e
(
CN
)
6
]
4
−
→
Pale yellow solution
(2)
[
F
e
(
SCN
)
6
]
4
−
→
Blood red colour
(3)
F
e
4
[
F
e
(
C
N
6
)
]
3
⋅
H
2
O
→
Prussian blue
(4)
[
F
e
(
CN
)
5
NOS
]
4
−
→
Violet colour