MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryCoordination compoundsValence Bond Theory

Spin only magnetic moment of the compound Hg[Co(SCN)4] is (a) (b) (c) (d)

Answer

Explanation

The formula to calculate the spin only magnetic moment is given below μ= n(n+2)BM The oxidation state of Co in the given complex is +2 and it contains 3 unpaired electrons. Hence, the value of spin only magnetic moment is μ= 3(3+2)BM= 15BM Hence, the correct answer is option (b). 15 COORDINATION COMPOUNDS

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