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.

Question

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.

Infinity Learn · Accepted Answer

$$Co3+=$$[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

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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