Magnetic moment of a divalent ion in aqueous solution with atomic number 25 is:
Answer & explanation
Correct answer: option 2
25Mn: [Ar]4s23d5
Mn2+: [Ar]3d5
| ↑ | ↑ | ↑ | ↑ | ↑ |
so, there are five unpaired electrons.
n= 5
Magnetic moment, μ = \(\sqrt{n(n+2)}\) = \(\sqrt{5(5+2)}\) BM