Which of the following complexes has five unpaired electrons? A)[Mn(H₂O)₆]²⁺ B)[Mn(CN)₆]^3- C)CrCl₃(H₂O)₃ D)[Ag(NH₃)₂]⁺

Name: Which of the following complexes has five unpaired electrons? A)[Mn(H 2 O) 6 ] 2+ B)[Mn(CN) 6 ] 3- C)CrCl 3 (H 2 O) 3 D)[Ag(NH 3 ) 2 ] +
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Question

Quizplus · Accepted Answer

The complex [Mn(H₂O)₆]²⁺ has Mn in the +2 oxidation state, which corresponds to a d⁵ electron configuration. In an octahedral field with weak field ligands like H₂O, all five d electrons remain unpaired.

Which of the Following Complexes Has Five Unpaired Electrons