wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A transition metal cation M3+ has magnetic moment 35 BM. The number of unpaired electrons in ns orbital of M3+ is :
(Note: transition metal exhibit ferromagnetic property)

A
5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
\N
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D \N
We know spin only magnetic momentum (μ)=n(n+2)
According to given data
μ=n(n+2)=35 BM
n=5
i.e. 5 unpaired e are present in (n-1) d-shell of M3+ transition metal cation so it is Fe3+
26Fe[Ar]3d64s2
Fe3+[Ar]3d54s0

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon