Consider the following low-spin complexes. K3[Co(NO2)6], K4[Fe(CN)6], K3[Fe(CN)6], Cu2[Fe(CN)6] and Zn2[Fe(CN)6]. The sum of the spin-only magnetic moment values of complexes having yellow colour is _

Question

Consider the following low-spin complexes. K3[Co(NO2)6], K4[Fe(CN)6], K3[Fe(CN)6], Cu2[Fe(CN)6] and Zn2[Fe(CN)6]. The sum of the spin-only magnetic moment values of complexes having yellow colour is _________ B.M. (answer in nearest integer)

Prashant Kotian · Accepted Answer

Correct answer: .. Yellow complex is K3[Co(NO2)6] Oxidation number of Co = +3 Co(+3) = 3d6(S.F.L.) configuration in ligand field ,2 ,2 g 2t , g e  = 0

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