Identify a complex having monodentate ligand from following:

Identify a complex having monodentate ligand from following:
  1. Tetracyanonickelate(II) ion
  2. Potassium trioxalatoaluminate(III)
  3. Trioxalatocobaltate(III) ion
  4. bis(ethylenediamine)dithiocyanato platinum(IV)

Solution

$\mathrm{CN}^{-}$(cyanide): Monodentate ligand $\mathrm{C}_2 \mathrm{O}_4^{2^{-}}$(oxalate): Bidentate ligand en (ethylenediamine): Bidentate ligand $\mathrm{SCN}^{-}$(thiocyanato): Ambidentate ligand

Asked in: MHT CET 2024 (10 May Shift 2)

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