General
✓✗[Co(NH3)5(NO2)]Cl2 and [Co(NH3)5(ONO)]Cl2 are
- linkage isomers
- geometrical isomers
- coordination isomers
- ionisation isomers
General
✓✗The IUPAC name of the complex [Ag(H2O)2][Ag(CN)2] is
- dicyanidosilver(II) diaquaargentate(II)
- diaquasilver(I) dicyanidoargentate(I)
- dicyanidosilver(I) diaquaargentate(I)
- diaquasilver(II) dicyanidoargentate(II)
General
✓✗The anion of acetylacetone (acac) forms the chelate Co(acac)3 with Co3+. The rings of the chelate are
- four-membered
- six-membered
- five-membered
- three-membered
General
✓✗The coordination number of Fe in [Fe(C2O4)3]3− is
- 9
- 4
- 6
- 3
General
✓✗Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
- F− < SCN− < C2O42− < CN−
- SCN− < F− < C2O42− < CN−
- CN− < C2O42− < SCN− < F−
- SCN− < F− < CN− < C2O42−
General
✓✗When a ligand name already contains a numerical prefix, as in ethane-1,2-diamine, the number of such ligands is indicated by
- di-, tri-, tetra-
- hemi-, sesqui-
- bis-, tris-, tetrakis-
- mono-, di-, tri-
General
✓✗Which of the following names is correct for [Ni(CO)4]?
- nickel tetracarbonate
- tetracarbonylnickel(II)
- tetracarbonylnickelate(0)
- tetracarbonylnickel(0)
General
✓✗For an octahedral complex of a d3 ion such as Cr(III), VBT predicts
- 2 unpaired electrons with weak field ligands
- sp3d2 hybridisation with weak field ligands and d2sp3 with strong field ligands
- d2sp3 hybridisation whatever the ligand, with 3 unpaired electrons
- a diamagnetic complex with strong field ligands
General
✓✗The formula of diamminedichloridoplatinum(II) is
- [Pt(NH3)2]Cl2
- [Pt(NH3)2Cl4]
- [Pt(NH3)2Cl2]
- [PtCl2](NH3)2
General
✓✗Ethylenediaminetetraacetate ion is a/an
- ambidentate ligand
- hexadentate ligand
- monodentate ligand
- bidentate ligand
General
✓✗Assertion: Δo of [Co(CN)6]3− is greater than that of [Co(NH3)6]3+.
Reason: CN− is a π-acceptor ligand and lies above NH3 in the spectrochemical series.
Reason: CN− is a π-acceptor ligand and lies above NH3 in the spectrochemical series.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Both Assertion and Reason are false
General
✓✗The total number of possible isomers for the complex compound [Cu(NH3)4][PtCl4] (Cu and Pt both +2) is
- 5
- 6
- 3
- 4
General
✓✗Which of the following tetrahedral complexes is diamagnetic?
- [Zn(NH3)4]2+
- [NiCl4]2−
- [CoCl4]2−
- [FeCl4]−
General
✓✗The coordination polyhedron of [Co(NH3)6]3+ is
- trigonal bipyramidal
- octahedral
- tetrahedral
- square planar
General
✓✗The number of unpaired electrons in high spin [Co(NH3)6]2+ is
- 5
- 3
- 1
- 0