The number of geometrical isomers for [Pt(NH3)2]Cl2 is
3
4
1
2
The number of geometrical isomers of the complex [Co(NO2)3(NH3)3] is
0
The coordination number and oxidation state of Cr in K3[Cr(C2O4)3] are respectively
3 and +3
3 and 0
6 and +3
4 and +2
Ligands which can ligate through two different atoms is called
Ambidentate
Polydentate
Chelate
Unidentate
The ligands whose only one donor atom is bonded to metal atom are called
Multidentate
Bidentate
Which is equal to the co-ordination number and is fixed for a metal ?
Primary valence
Secondary valence
Number of metal ions
Quaternary valence
Which one of the following complexes will have four isomers ?
[Co(en)3]Cl3
[Co(en)2Cl2]Cl
[Co(PPh3)2(NH3)Cl2]Cl
[Co(PPh3)3Cl]Cl2
Which of the following organometallic compounds is σ and π bonded ?
[Fe(η5 - C5H5)2]
K[PtCl3(η2 - C2H4)]
[Co(Co)5NH3]2+
Fe(CH3)3
In the separation of Cu2+ and Cd2+ of IInd group in qualitative analysis of cations, tetrammine copper (II) sulphate and tetrammine cadmium (II) sulphate react with KCN to form the corresponding cyano complexes, which one of the following pairs of the complexes and their relative stability enables the separation of Cu2+ and Cd2+ ?
K3[Cu(CN)4] : less stable and K2[Cu(CN)4] : more stable
K3[Cu(CN)4] : more stable and K2[Cd(CN)4] : less stable
K2[Cu(CN)4] : less stable and K2[Cd(CN)4] : more stable
K2[Cu(CN)4] : more stable and K2[Cd(CN)4] : less stable
An atom or a small group of atoms datively bonded by its lone electrons pair to a central atom or cation is
Ligand
Central metal
Complex
Neutral molecule