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Question
Chemistry
The EAN of Fe in K4[F e (C N)6] is
Q. The EAN of
F
e
in
K
4
[
F
e
(
CN
)
6
]
is
191
201
NTA Abhyas
NTA Abhyas 2022
Report Error
A
33
B
35
C
36
D
26
Solution:
EAN is known as effective atomic number. It is given by the relation.
E
A
N
=
A
t
o
mi
c
n
u
mb
er
−
O
x
i
d
a
t
i
o
n
s
t
a
t
e
+
2
×
n
u
mb
er
o
f
L
i
g
an
d
s
=
26
−
2
+
2
(
6
)
=
36.