Identify a cationic, anionic or neutral complex from its name or formula

1. A.
   Pentaamminecobalt(III) sulphate
2. B.
   Potassiumtrioxalatoaluminate(III)
3. C.
   Diamminedichloroplatinum(II)
4. D.
   Potassiumhexacyanoferrate(III)

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1. A.
   $\text{Na}_4[\text{Fe(CN)}_6]$
2. B.
   $[\text{Co(NH}_3)_5\text{Cl}]\text{SO}_4$
3. C.
   $\text{Ni(CO)}_4$
4. D.
   $\text{K}_3[\text{Fe(CN)}_6]$

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1. A.
   $[Co(H_2O)(NH_3)_5]I_3$
2. B.
   $[Co(NO_2)_3(NH_3)_3]$
3. C.
   $Na_3[Co(NO_2)_6]$
4. D.
   $[Fe(H_2O)_3(NCS)_3]Cl_2$

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1. A.
   Pentaammineaquacobalt(III) iodide
2. B.
   Pentaamminecarbonatocobalt(III) chloride
3. C.
   Tetracyanonickelate(II) ion
4. D.
   Triamminetrinitrocobalt(III)

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1. A.
   Hexaamminecobalt (III) chloride
2. B.
   Potassium hexacyanoferrate(II)
3. C.
   Tetraamminedichlorocobalt(III) ion
4. D.
   Pentaamminechlorocobalt(III) sulphate

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1. A.
   Tetraamine copper(II)ion
2. B.
   Triamminetrinitrocobalt(III)
3. C.
   Tetraamine bromo platinum(IV) bromide
4. D.
   Sodium hexafluoro aluminate(III)

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1. A.
   Sodium hexanitrocobaltate(III)
2. B.
   Triamminetrinitrocobalt(III)
3. C.
   Pentaammineaquacobalt(III)iodide
4. D.
   Triamminetrinitrocobalt(III)

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1. A.
   Tetracyanonickelate (II) ion
2. B.
   Tetraamminecopper (II) ion
3. C.
   Triamminetrinitrocobalt (III)
4. D.
   Sodium hexafluoroaluminate (III)

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1. A.
   $\mathrm{K_3[Fe(CN)_5NO]}$
2. B.
   $[\mathrm{Zn(NH_3)_4}]^{2+}$
3. C.
   $[\mathrm{Co(NH_3)_5Cl}]^{2+}$
4. D.
   $[\mathrm{Ni(CO)_4}]$

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