MCQ
The most paramagnetic complex is
  • A
    $[Sc(CN)_6]^{-3}$
  • B
    $[Co(CN)_6]^{-3}$
  • C
    $[Fe(CN)_6]^{-4}$
  • $[Cr(CN)_6]^{-3}$

Answer

Correct option: D.
$[Cr(CN)_6]^{-3}$
d
$[Cr(CN)_6]^{-3}$ $Cr^{+3}$ in presence of strong ligand have $3$ unpaired electron

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