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Question
Spin-only magnetic moment of Mn2+ ion is ____________.
Options
`sqrt3 "BM"`
`sqrt8 "BM"`
`sqrt24 "BM"`
`sqrt35 "BM"`
MCQ
Fill in the Blanks
Solution
Spin-only magnetic moment of Mn2+ ion is `underline(sqrt35 "BM")`.
Explanation:
Fe3+ ion is [Ar] 3d5 4s0. It has 5 unpaired electrons.
∴ Spin-only magnetic moment, µ = `sqrt("n"("n" + 2)) "BM"`
= `sqrt(5(5 + 2))`
= `sqrt35 "BM"`
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