Q.1
The IUPAC name of K2 [Ni (CN)is
  • Potassium tetracyanatonickelate (II)
  • Potassium tetracyanonickelate (III)
  • Potassium tetracyanonickel (III)
  • Potassium tetracyanatonickel (II)
Q.2
What is a ligand
  • An atom, molecule or ion that forms a dative covalent bond to a central metal ion in a complex.
  • An atom, molecule or ion that accepts a pair of electron from a central metal ion in a complex.
  • A central metal ion with one or more covalent bonds to it
  • A d-block element that has a partially filled d subshell
Q.3
Among the ligands NHen, CN- and CO, the correct order of field strength is
  • NH3 < en < CN– < CO
  • CN– < NH3 < CO < en
  • en < CN–< NH3 < CO
  • CO < NH3 < en < CN–
Q.4
Which type of defect has the presence of cations in the interstitial site?
  • Schottky defect
  • Frenkel defect
  • Metal deficiency defect
  • Vacancy defect
Q.5
When two or more stable compounds in solution are mixed together and allowed to evaporate, in certain cases there is a possibility for the formation of
  • coordination compounds
  • mixed salt
  • double salt
  • both a and c
Q.6
Which one is a neutral ligand?
  • H2O
  • NH3
  • CO
  • All of these
Q.7
Which one is an anionic complex?
  • K[Ag(CN)2]
  • [Ag(NH3)2]Cl
  • [Ni(CO)4]
  • [Co(NH3)6]Cl3
Q.8
Which one is a cationic complex?
  • K3[Fe(CN)6]
  • Na2[Ni(EDTA)]
  • [Co(en)2Cl2]Cl
  • K3[Fe(CN)5NO]
Q.9
In the complex [Co(NH3)5Cl]Cl, the coordination number is
  • 3
  • 5
  • 6
  • 4
Q.10
The coordination entity of K2[NiCl4]
  • NiCl4
  • K2[NiCl4
  • [NiCl4]2-
  • Ni2+
Q.11
The central metal ion of K4[Fe(CN)6]
  • Fe+
  • Fe2+
  • Fe3+
  • Fe4+
Q.12
Cobalamine, an essential vitamin is a coordination compound of
  • Al
  • Fe
  • Co
  • CO
Q.13
Coordination compounds play a vital role in
  • biological functions
  • catalytic applications
  • both a and b
  • none of these
Q.14
Which of the following pairs represents linkage isomers?
  • [Pd(P Ph3)2 (NCS)2] and [Pd(P Ph3)2(SCN)2]
  • [Co (NH3)5 NO3]SO4 and [Co(NH3)5SO4] NO3
  • [Pt Cl2(NH3)4]Br2 and [PtBr2(NH3)4]Cl2
  • [Cu(NH3)4] [PtCl4] and [Pt(NH3)4] [CuCl4]
Q.15
Which of the following compounds shows optical isomerism?
  • [Cu(NH3)4]2+
  • [ZnCl4]2–
  • [Cr(C2O4)3]3–
  • [Co(CN)6]3–
Q.16
The type of isomerism shown by the complex [CoCl2(en)is
  • Geometrical isomerism
  • Coordination isomerism
  • Linkage isomerism
  • Ionization isomerism
Q.17
Which of the following complexes can exhibit optical isomerism? (en = H2N–CH2–CH2–NH2 and is bidentate)
  • cis–Co(NH3)4Cl2
  • trans–Co(en)2Br2
  • cis–Co(en)2Cl2
  • Co(NH3)3Cl3
Q.18
Dextro-rotatory and Laevo-rotatory are
  • Diastereomers
  • Cis/trans isomers
  • fac/mer isomers
  • Enantiomers
Q.19
Which one of the following coordination compounds isused to inhibit the growth of tumours?
  • Trans-platin
  • EDTA complex of calcium
  • [(Ph3P)3RhCl]
  • Cis-platin
Q.20
Which one of the following complexes is an outer orbitalcomplex ?
  • [Co(NH3)6]3+
  • [Mn(CN)6]4–
  • [Fe(CN)6]4–
  • [Ni(NH3)6]2+
0 h : 0 m : 1 s