Which of the following will give maximum number of isomers?
[Co(NH3)4Cl2]
[Ni (en) (NH3)4]2+
[Ni(C2O4) (en)2]2-
[Cr(SCN)2(NH3)4]+
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
Which of the following organometallic compounds is σ and π bonded?
[Fe(η5 - C5H5)2]
K[PtCl3 (η2 - C2H4)]
[Co(CO)5 NH]3]2+
Fe(CH3)3
The structure and hydridisation of Si (CH3)4 is
Octahedral, sp3d
Tetrahedral, sp3
Bent, sp
Trigonal, sp2
Shape of Fe(CO)5 is
Octahedral
Square planar
Trigonal bipyramidal
Square pyramidal
Coordination number of Ni in [Ni(C2O4)3]4- is
3
6
4
2
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[Cd(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[Cu(CN)4] : more stable and
In metal carbonyl having general formula M(CO)x where, M = metal, x = 4 and the metal is bonded to
Carbon and oxygen
C ≡ O
Oxygen
Carbon
The complex ion [Co(NH3)6]3+ is formed by sp3d2 hydridisation. Hence, the ion should possess
Octahedral geometry
Tetrahedral geometry
Square planar geometry
Tetragonal geometry
The total number of possible isomers for the complex compound [Cu ll (NH3)4] [PtII Cl4] are
5
