A coordination complex compound of cobalt has the molecular formula containing five ammonia molecules, one nitro group and two chlorine atoms for one cobalt atom. One mole of this compound produces three mole ions in an aqueous solution. On reacting this solution with excess of AgNO3 solution, we get two moles of AgCl precipitate. The ionic formula for this complex would be
[Co(NH3)5(NO2)]Cl2
[Co(NH3)5Cl] [(NO2)]Cl2
[Co(NH3)4(NO2)]Cl] [NH3)Cl]
[Co(NH3)5] [(NO2)2Cl2]
IUPAC name of [Pt(NH3)3 (Br) (NO2) Cl] Cl is
Triamminebromochloronitroplatinum (IV) chloride
Triamminebromonitrochloplatinum (IV) chloride
Triamminechlorobromonitroplatinum (IV) chloride
Triamminenitrochlorobromoplatinum (IV) chloride
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
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
The structure and hybridisation of Si (CH3)4 is
Octahedral, sp3d
Tetrahedral, sp3
Bent, sp
Trigonal, sp2
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
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 number of geometrical isomers of the complex [Co(NO2)3(NH3)3] is
4
0
2
3
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}]
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
