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.

	A	B	C	D
(a)	(iv)	(v)	(ii)	(i)
(b)	(i)	(ii)	(iii)	(iv)
(c)	(iv)	(i)	(ii)	(iii)
(d)	(iii)	(v)	(i)	(ii)

Answer 1

Correct option (a)

Explanation :

Co³⁺ = [Ar]3d⁶, unpaired e^-(n) = 4