Coordination Compounds 2 Question 21

####23. The highest value of the calculated spin only magnetic moment (in BM ) among all the transition metal complexes is

(2019 Main, 9 Jan I)

(a) 5.92

(b) 3.87

(c) 6.93

(d) 4.90

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Answer:

Correct Answer: 23. (b)

Solution:

  1. The spin only magnetic moment ( μ ) (in BM ) is given by

μ( in BM)=n(n+2)

where, n= number of unpaired electrons The highest value of n in transition metal complex is 5 in its d5-configuration.

μ=5(5+2)BM=5.916BM



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