Q32 / 150 · MHT CET 2022 (05 Aug Shift 1) · Chemistry

Identify anionic complex from following.

  • A
    Bis (ethylene diamine) dithiocyanato platinum (IV)
  • B
    Pentaamminecarbonatocobalt (III) chloride
  • C
    Pentacarbonyliron (0)
  • Correct answer
    D
    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.

Hence, the correct answer is option: 'D'.

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