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Byju's Answer
Standard XII
Chemistry
Stability of Fully Filled and Half Filled Orbitals
what is elect...
Question
what is electronic configuration of fe 3+ ion( atomic no - 26)
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Solution
Ground state electronic configuration of Fe is
1s
2
2s
2
2p
6
3s
2
3p
6
3d
6
4s
2
When Fe is oxidised to Fe
3+
, it loses 3 electrons and then the electronic configuration is
1s
2
2s
2
2p
6
3s
2
3p
6
3d
5
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Similar questions
Q.
The number of unpaired electrons in the
F
e
3
+
ion
(Atomic no. = 26) is:
Q.
Which of the follwing is the correct electronic configuration of
F
e
+
3
i
o
n
(
Z
F
e
=
26
)
?
Q.
A d-block element iron
(
F
e
)
forms two types of compounds,
F
e
S
O
4
and
F
e
2
(
S
O
4
)
3
.
(a) Which of these compounds contains ferric
(
F
e
3
+
)
ion?
(b) What is the number of electrons present in the d-sub-shell of
F
e
3
+
ion? Find out by writing the sub-shell's electronic configuration.
[Given: Atomic number of Fe is 26]
Q.
Which one of the following ions has an electronic configuration of
[
A
r
]
3
d
6
?
(
A
t
o
m
i
c
N
u
m
b
e
r
:
M
n
=
25
,
F
e
=
26
,
C
o
=
27
,
N
i
=
28
)
Q.
The numbers of d-electrons retained in
F
e
2
+
(atomic number
F
e
=
26
) ion is:
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