The number of geometrical isomers of the complex [Co(NO2)3(NH3)3] is
The coordination number and oxidation state of Cr in K3[Cr(C2O4)3] are respectively
3and +3
3 and 0
6 and +3
4 and +2
Which of the following will exhibit maximum ionic conductivity?
K4[Fe(CN)6]
[Co(NH3)6]Cl3
[Cu(NH3)4]Cl2
[Ni(CO)4]
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}]
The number of geometrical isomers for [Pt(NH3)2]Cl2 is
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 ion (III) oxide to iron
Which of the following ligands is expected to be bidentate?
CH3NH2
CH3C ≡ N
Br
C2O2-4
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
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+
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
