The correct order of magnetic moments (spin only values in B.M.) among is
(a) [MnCl4]2– > [CoCl4]2– > [Fe(CN)6]4–
(b) [MnCl4]2– > [Fe(CN)6]4– > [CoCl4]2–
(c) [Fe(CN)6]4– > [MnCl4]2– > [CoCl4]2–
(d) [Fe(CN)6]4– > [CoCl4]2– > [MnCl4]2–.
(Atomic nos.: Mn = 25, Fe = 26, Co = 27)