The number of geometrical isomers for [Pt(NH3)2]Cl2 is
3
4
1
2
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 formula of dichlorobis (urea) copper (II) is
[Cu{O = C(NH2)Cl}]Cl
[CuCl2{O = C(NH2)2}2]
[Cu{O = C(NH2)2}]Cl2
[CuCl2{O = C(NH2)2H2}]
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagnetic with the spin of electron?
[Cr(CO)6]
[Fe(CO)5]
[Fe(CN)6]4-
[Cr(NH3)6]3+
Coordination number of Ni in [Ni(C2O4)3]4- is
6
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 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 organometallic compounds is σ and π bonded?
[Fe(η5 - C5H5)2]
K[PtCl3 (η2 - C2H4)]
[Co(CO)5 NH]3]2+
Fe(CH3)3
Which one of the following statements is not correct?
Mercury (II) iodide dissolves in excess of Potassium iodide solution
Tin (IV) chloride is made by dissolving Tin solution in concentrated Hydrochloric acid
Zinc dissolves in Sodium hydroxide solution
Carbon monoxide reduces Iron (III) oxide to Iron
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
