The calculated magnetic moments (spin only value) for species ${[F e C l_{4}]}^{2 -}, {[C o {(C_{2} O_{4})}_{3}]}^{3 -}$ and $M n O_{4}^{2 -}$

Option 1 - 4.90, 0 and 1.73 BM

Option 2 - 5.92, 4.90 and 0 BM

Option 3 - 4.90, 0 and 2.83 BM

Option 4 - 5.82, 0 and 0 BM

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Vishal Baghel | Contributor-Level 10

6 months ago

Correct Option - 1

Detailed Solution:

${[F e C l_{4}]}^{2 -} \Rightarrow$

$\begin{array}{l} n = 4 \\ μ = \sqrt[]{4 (4 + 2)} \\ = 4.90 B M \end{array}$

[Co (C₂O₄)₃]³^- Þ Co³⁺

Co => [Ar]4s²3d⁷

Co⁺³ = [Ar]4s⁰3d⁶

$μ = \sqrt[]{n (n + 2)} = \sqrt[]{1 (3)} = 1.73 B M$

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The calculated magnetic moments (spin only value) for species [ F e C l 4 ] 2 − , [ C o ( C 2 O 4 ) 3 ] 3 − and M n O 4 2 −

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