The number of geometrical isomers of the complex [Co(NO2)3(NH3)3] is
4
0
2
3
The structure and hybridisation of Si(CH3)4 is
octahedral, sp3d
tetrahedral, sp3
bent, sp
trigonal, sp2
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
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
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
The formula of dichlorobis (urea) copper (II) is
[Cu{O=C(NH2)2Cl}]Cl
[CuCl2{O=C(NH2)2}2]
[Cu{O=C(NH2)2}]Cl2
[CuCl2{O=C(NH2)2H2}]
Which statement is incorrect ?
Ni(Co)4-tetrahedral, paramagnetic
[Ni(CN)4]2- square planar, diamagnetic
Ni(CO)4-tetrahedral, diamagnetic
[Ni(Cl)4]2- tetrahedral, paramagnetic
Which of the following ligands is expected to be bidentate?
CH3NH2
CH3C≡N
Br
The number of geometrical isomers for [Pt(NH3)2]Cl2 is
1