WorksheetsCoordination Compounds Quiz
Total questions: 20
Worksheet time: 10mins
Which of the following is a coordination compound?
NaCl
K₂[PtCl₆]
CaCO₃
C₆H₆
What is the coordination number of cobalt in [Co(NH₃)₆]³⁺?
4
6
8
2
Which of the following ligands is bidentate?
Cl⁻
NH₃
en (ethylene diamine)
CN⁻
The oxidation state of chromium in K₂[Cr₂O₇] is:
+6
+3
+2
0
Which of the following has square planar geometry?
[Ni(CN)₄]²⁻
[Zn(NH₃)₄]²⁺
[Co(NH₃)₆]³⁺
[Cu(NH₃)₄]²⁺
What is the oxidation state of Pt in [Pt(NH₃)₂Cl₂]?
0
+2
+3
-2
The coordination number of Fe in [Fe(CN)₆]³⁻ is:
4
5
6
3
Which of the following ligands is a strong field ligand?
F⁻
Cl⁻
CN⁻
OH⁻
The correct IUPAC name of [Co(NH₃)₄Cl₂]Cl is:
Tetramminedichlorocobalt(II) chloride
Tetramminedichlorocobalt(III) chloride
Dichlorotetramminecobalt(III) chloride
Tetrachlorodiaminecobalt(III) chloride
Which of the following complexes will show optical isomerism?
[Pt(NH₃)₂Cl₂]
[Co(en)₃]³⁺
[Ni(CN)₄]²⁻
[Zn(NH₃)₄]²⁺
What is the color of [Cu(NH₃)₄]²⁺?
Green
Yellow
Blue
Red
Which of the following ligands can form chelates?
Cl⁻
NO₃⁻
NH₃
C₂O₄²⁻ (oxalate)
The geometry of [PtCl₄]²⁻ is:
Tetrahedral
Square planar
Octahedral
Linear
Which of the following is an example of linkage isomerism?
[Co(NH₃)₆]Cl₃ and [CoCl₆]³⁻
[Co(NH₃)₅NO₂]Cl₂ and [Co(NH₃)₅ONO]Cl₂
[Ni(CN)₄]²⁻ and [Ni(NH₃)₄]²⁺
[Fe(CO)₅] and [Fe(CN)₆]³⁻
Which complex ion has a tetrahedral geometry?
[Cu(NH₃)₄]²⁺
[ZnCl₄]²⁻
[Ni(NH₃)₄]²⁺
[Co(NH₃)₆]³⁺
The correct order of ligand strength according to the spectrochemical series is:
I⁻ > Br⁻ > CN⁻ > NH₃
CN⁻ > NH₃ > H₂O > I⁻
H₂O > NH₃ > CN⁻ > Br⁻
Cl⁻ > F⁻ > NH₃ > CN⁻
Which type of isomerism is shown by [Pt(NH₃)₂Cl₂]?
Geometrical isomerism
Optical isomerism
Linkage isomerism
Ionization isomerism
Which ion is paramagnetic?
[Ni(CN)₄]²⁻
[Co(NH₃)₆]³⁺
[Fe(CN)₆]³⁻
[Zn(NH₃)₄]²⁺
Which of the following complexes will have a d²sp³ hybridization?
[CoF₆]³⁻
[Ni(CO)₄]
[Fe(CN)₆]⁴⁻
[Zn(NH₃)₄]²⁺
Which complex exhibits ionization isomerism?
[Co(NH₃)₆]Cl₃
[Cr(NH₃)₅SO₄]Br
[Cu(NH₃)₄]SO₄
[Ni(NH₃)₆]Cl₂
