Which of the following will exhibit maximum ionic conductivity ?
K4[Fe(CN)6]
[Co(NH3)6]Cl3
[Cu(NH3)4]Cl2
[Co(PPh3)3Cl]Cl2
Which one of the following complexes will have four isomers ?
[Co(en)3]Cl3
[Co(en)2Cl2]Cl
[Co(PPh3)2(NH3)Cl2]Cl
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
IUPAC name of [Pt(NH3)3 (Br) (NO2)CI] Cl is
triamminebromochloronitroplatinum chloride
triamminebromonitrochloroplatinum chloride
triamminechlorobromonitroplatinum chloride
triamminenitrochlorobromoplatinum chloride
The structure and hybridisation of Si(CH3)4 is
octahedral, sp3d
tetrahedral, sp3
bent, sp
trigonal, sp2
The complex ion [Co(NH3)6]3+ is formed by sp3d2 hybridisation. Hence, the ion should posses
octahedral geometry
tetrahedral geometry
square planar geometry
tetragonal geometry
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
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 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 of the following ligands is expected to be bidentate?
CH3NH2
CH3C≡N
Br