coordination compounds -I

In the complex formation, the central metal atom / ion acts as

• Lewis base

• Bronsted base

• Lewis acid

• Bronsted acid

The number of ions formed on dissolving one molecule of FeSO4(NH4)2SO4.6H2O in water is

• 4

• 5

• 3

• 6

The ______ sphere is enclosed in brackets in formulas for complex species, and it includes the central metal ion plus the coordinated groups.

• ligand

• donor

• coordination

• chelating

Consider the coordination compound, Na₂[Pt(CN)₄]. The Lewis acid is

• Na⁺

• Pt

• Pt²⁺

• CN^-

Consider the coordination compound, K₂[Cu(CN)₄]. A coordinate covalent bond exists between

• K⁺ and CN^-

• Cu²⁺ and CN^-

• K⁺ and [Cu(CN)₄]^2-

• C and N in CN^-

Given the list of ligands and their corresponding names, choose the pair that disagree.

• LIGANDNAME

• OH- hydroxo

• CN^- cyanide

• Cl^- chloro

• H₂O aqua

Select the correct IUPAC name for: [FeF₄(OH₂)₂]^-

• diaquatetrafluoroiron(III) ion

• diaquatetrafluoroferrate(III) ion

• diaquatetrafluoroiron(I) ion

• diaquatetrafluoroferrate(I) ion

Select the correct IUPAC name for: [Co(NH₃)₆]²⁺

• hexammoniacobaltate(II) ion

• hexaamminecobaltate(II) ion

• hexammoniacobalt(II) ion

• hexaamminecobalt(II) ion

Which name-formula combination is NOT correct?

• FORMULA NAME

• [Co(NH₃)₄(OH₂)I]SO₄ tetraammineaquaiodocobalt(III) sulfate

• K[Cr(NH₃)₂Cl₄] potassium diamminetetrachlorochromate(III)

• [Mn(CN)₅]^2- pentacyanomanganate(II) ion

• [Ni(CO)₄] tetracarbonylnickel(0)

What is the oxidation number of the central metal atom in the coordination compound

[Pt(NH₃)₃Cl]Cl?

• -1

• 0

• +1

• +2