Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code : Column-I Column-II A. Co3+ (i) 8 B.M B. Cr3+ (ii) 35 B.M. C. Fe3+ (iii) 3 B.M. D. Ni2+ (iv) 24 B.M. (v) 15 B.M.

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Detailed Solution

Co3+=[Ar]3d6, unpaired e-(n)=4 Spin magnetic moment (μ)=4(4+2)=24 B·M Cr3+=[Ar]3d3, unpaired e-(n)=3 Spin magnetic moment (μ)=3(3+2)=15 B.M Fe3+=[Ar]3d5, unpaired e-(n)=5 Spin magnetic moment (μ)=5(5+2)=35 B·M Ni2+=[Ar]3d8, unpaired e-(n)=2 Spin magnetic moment (μ)=2(2+2)=8 B·M

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