Multiple choice

Which pair of 'coordination complex: IUPAC name’ is not correctly matched?

  1. [Co(NH3)5ONO]2+: pentaamminenitritocobalt(III) ion

  2. K3[Co(C2O4)3]: potassium trioxalatocobaltate(II)

  3. [Cr(NH3)6][IrCl6]: hexaamminechromium(III) hexachloroiridate(III)

  4. [Cr(H2O)5Br]SO4: pentaaquabromochromium(III) sulphate

  5. [Cu(H2O)4]SO4: tetraaquacopper(II) sulphate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The correct IUPAC name of K3[Co(C2O4)3] complex is potassium trioxalatocobaltate(III).

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