Identify anionic complex from following.

Identify anionic complex from following.
  1. Bis (ethylene diamine) dithiocyanato platinum (IV)
  2. Pentaamminecarbonatocobalt (III) chloride
  3. Pentacarbonyliron (0)
  4. Sodiumhexanitrocobaltate (III)

Solution

Bis(ethylenediamine) diltuioncyanato platinum (IV) $\left[\mathrm{Pt}(\mathrm{en})_2(\mathrm{SCN})_2\right]^{+2}$ Pentaaminine carbonato cabalt (III) chloride. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{CO}_3\right)\right] \mathrm{Cl}$ Pentacarbonyliron (O) $\left[\mathrm{Fe}(\mathrm{CO})_5\right]$ Sodium hexa nitro cobaltate (III) $\mathrm{Na}_3\left[\mathrm{Co}\left(\mathrm{NO}_2\right)_6\right]$ It is anionic complex.

Asked in: MHT CET 2022 (05 Aug Shift 1)

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