Answer:
Given ion is Mn2+ with the atomic no. 27.
So, electronic configuration of Mn2+ is [Ar] 3d74s0
[Ar] ↿⇂ ↿ ⇂ ↿ ↿ ↿
3d 4s
No. of unpaired e
−
s =3
So, the spin only magnetic moment is given by,
μ= n(n+2)
= 3(3+2)
= 3X5
= 15
BM=3.87 BM
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Answers & Comments
Answer:
Given ion is Mn2+ with the atomic no. 27.
So, electronic configuration of Mn2+ is [Ar] 3d74s0
[Ar] ↿⇂ ↿ ⇂ ↿ ↿ ↿
3d 4s
No. of unpaired e
−
s =3
So, the spin only magnetic moment is given by,
μ= n(n+2)
= 3(3+2)
= 3X5
= 15
BM=3.87 BM