Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Which of the following has highest number of unpaired electrons?
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. Which of the following has highest number of unpaired electrons?
NTA Abhyas
NTA Abhyas 2020
A
Fe
B
Fe
2+
C
Fe
3+
D
All have equal number of unpaired electrons
Solution:
Fe(26) = 1s
2
2s
2
2p
6
3s
2
3p
6
3d
6
4s
2
Hence, it has 4 unpaired electrons.
Fe
2+
= 1s
2
2s
2
2p
6
3s
2
3p
6
3d
6
4s
o
$\therefore $ It also has 4 unpaired electrons.
Fe
3+
= 1s
2
2s
2
2p
6
s
2
3p
6
3d
5
4s
o
All India Exams
NEET
JEE Main
JEE Advanced
AIIMS
KVPY
JIPMER
BITSAT
COMEDK
VITEEE
State Exams
AP EAMCET
KCET
KEAM
MHT CET
TS EAMCET
UPSEE
WBJEE
Company
Login
Signup
Contact Us
Terms of Service
Privacy Policy
Resource
Blog
Exams
Questions
NEET Rank Predictor
KCET College Predictor
Social
Facebook
Twitter
Instagram
