The magnetic moment of 25Mn in ionic state is √15BM, then Mn is in:
A
+2 state
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
+3 state
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
+4 state
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
+5 state
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C +4 state The magnetic moment can be calculated by the formula [n(n+2)]12
Where n=number of unpaired electron.
Since magnetic moment is √15BM, so n=3
The electronic configuration of Mn=[Ar]4s23d5.
We need 3 unpaired electrons, thus Mn is in +4 oxidation state.