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Spin only magnetic moment in BM of [Fe(CO)A4(CA2OA4)]A+ is ______.

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Question

Spin only magnetic moment in BM of \[\ce{[Fe(CO)4(C2O4)]+}\] is ______.

Options

  • 5.92

  • 0

  • 1

  • 1.73

MCQ
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Solution

Spin only magnetic moment in BM of \[\ce{[Fe(CO)4(C2O4)]+}\] is 1.73.

Explanation:

\[\ce{[Fe(CO)4(C2O4)]+}\]

CO is strong field ligand, so pairing will take place.

∴ Spin only magnetic moment is:

`mu = sqrt("n"("n + 2"))` = 1 (1 + 2) = 1.73 B. M.

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