The spin only magnetic moments (in BM) for free Ti³⁺, V²⁺ and Sc³⁺ ions respectively are (At. No.Sc : 21, Ti : 22, V : 23)

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1.73, 3.87, 0

1.73, 0, 3.87

0, 3.87, 1.73

3.87, 1.73, 0

answer is D.

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Detailed Solution

Sc generally shows +3 Oxidation state. Scandium does not show +2 oxidation state as it requires high energy for removing one more electron is very high. Another reason is in +3 it shows inert gas configuration. Hence n=0 to calculate magnetic moment.

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