The spinonly magnetic moment value of M3 ion in gaseous stat

Question

The spin-only magnetic moment value of M³⁺ ion (in gaseous state) from the pairs Cr³⁺ / Cr²⁺, Mn³⁺ / Mn²⁺, Fe³⁺ / Fe²⁺ and Co³⁺ / Co²⁺ that has negative standard electrode potential, is ____________ B.M. [Nearest integer]

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DivineJEE · Accepted Answer

Among the pairs given, Cr^3+ / Cr^2+ has negative reduction potential which is -0.41 V. Cr (III) => d^3 Number of unpaired electrons =3 mu=sqrt(3(3+2))=sqrt(15) = 4 B.M.

Explanation

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