In Nitroprusside Ion, The Iron And NO Exists As Fe(II) And rather Than Fe(III) And NO. This Can Be Established By

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Question

In nitroprusside ion, the iron and NO exists as Fe(II) and rather than Fe(III) and NO. This can be established by

easy

Solution

Correct option is

Measuring the solid state magnetic moment

Fe(II) state – 3d⁶ ; due to strong CN^– ligand spin paired complex (d²sp³) will be formed.

Hence n = 0, μ = 0 B.M

Fe(III) state 3d⁵;d²sp³ complex, n = 1, μ = 1.73 B.M.

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