The one that can exhibit highest paramagnetic behaviour among the following is : gly = glycinato ; bpy = 2, 2'-bipyridine (A) [Fe(en)(bpy)(NH3)2]2+ (B) [Pd(gly)2] (C) [Ti(NH3)6]3+ (D) [Co(OX)2(OH)2]–

Question

The one that can exhibit highest paramagnetic behaviour among the following is : gly = glycinato ; bpy = 2, 2'-bipyridine

(A) [Fe(en)(bpy)(NH3)2]2+
(B) [Pd(gly)2]
(C) [Ti(NH3)6]3+
(D) [Co(OX)2(OH)2]– (0 > P)

Prashant Kotian · Accepted Answer

Correct answer: D. Complex EC Unpaired electrons (1) [Fe(en)(bpy)(NH3)2]2+ Fe2+ = 3d6 = ,2 ,2 g 2t , eg0,0 (2) [Pd(gly)2] Pd2+ = 4d8 (3) [Ti(NH3)6]3+ Ti3+ = 3d1 (4) [Co(OX)2(OH)2]– (0 > P) Co5+  3d4  1,1, g 2 t , eg0,0 | JEE MAIN-2020 | DATE : 04-09-2020 (SHIFT-2) | PAPER-1 | OFFICIAL PAPER | CHEMISTRY PAGE # 3

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