Magnetic Properties

For spin-only magnetic moment, mu = sqrt(n(n+2)) BM, where n is number of unpaired electrons. For a high-spin d5 ion, n = 5. Hence mu = sqrt(5 x 7) = sqrt(35) = 5.92 BM (approximately). This value is consistent with strong paramagnetism expected for five unpaired electrons.

This medium difficulty chemistry question is from the chapter d- and f-block elements, covering the topic of magnetic properties. It appeared in the 2025 exam.

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Magnetic Properties

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