1. [FeF6]4 – is paramagnetic because
a) F – is a weaker ligand b) F – is a stronger ligand
c) F – is a flexidentate ligand d) F – is a chelating ligand.
2. An example of a bidentate (chelating) ligand is
a) NO2– b) NO3- c) en d) SO4–2 /
a) Cl- b) en c) NO2– d) I-
3. An example of a chelating ligand is
a) Chloro b) Bromo c) en d) NO2– / nitro.
4. An example of ambidentate ligand is
a) Cl– b) NO2– c) H2O d) NH3.
5. In [Fe(CN)6]4 – / [FeII(CN)6]4 – the central metal ion is
a) Fe b) Fe2+ c) Fe3+ d) (CN) –
6. The co-ordination number of Cr (III) in [Cr(H2O)4Cl2]Cl . 2H2O is
a) 3 b) 4 c) 6 d) 2.
7. The coordination number of Ni (II) in [Ni(CN)4]2 – is
a) 2 b) 4 c) 5 d) 6.
8. The coordination number of Nickel in the complex ion [NiCl4]2 – is
a) + 1 b) +4 c) +2 d) +6.
9. The geometry of [Fe(CN)6]4 – is
a) Tetrahedral b) Square Planar c) Octahedral d) Triangular
10. The geometry of [Ni(CN)4]2 – is
a) Tetrahedral b) Square Planar c) Triangular d) Octahedral
11. The type of isomerism found in the complexes [Pt(NH3)4][CuCl4] & [PtCl4][Cu(NH3)4] is
a) ionization isomerism b) co-ordination isomerism
c) linkage isomerism d) ligand isomerism.
12. Which of the following is cationic complex?
a) K4[Fe(CN)6] b) [Cu(NH3)4]2+
c) K3[Cr(C2O4)3] / [Cr(C2O4)3]3 – d) K3[Fe(CN)6].
13.The
type of isomerism found in the complexes [Co(NO2)(NH3)5]SO4 and [Co(SO4)(NH3)5] NO2
a) Hydrate isomerism b) Coordination isomerism c) Linkage isomerism d) Ionisation isomerism
FIVE MARKS
a) Hydrate isomerism b) Coordination isomerism c) Linkage isomerism d) Ionisation isomerism
FIVE MARKS
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