37. How many unpaired electrons are there in the complex ion? For this ion, the nitrate ligands produce a very strong crystal field. (Co: [Ar] 3d7 4s²) (A) 5; (B) 3 ; (C) 1 ; (D) 2 ; (E) 4
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? For this ion, the nitrate ligands produce a very strong crystal field. (Co: [Ar] 3d7 4s²) 