Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
How many unpaired electrons are present in Fe2 + ion?
Q. How many unpaired electrons are present in
F
e
2
+
ion?
72
143
NTA Abhyas
NTA Abhyas 2022
Report Error
Answer:
4
Solution:
Iron has atomic number
=
26
.
Configuration of
F
e
=
[
A
r
]
3
d
6
4
s
2
After the removal of two electrons, the configuration becomes,
[
A
r
]
3
d
6
4
s
0
There are four unpaired electrons.