Fe2(CO)9 is diamagnetic.Which of the following reasons is correct?
1. Presence of one CO as bridge group
2. Presence of monodentate ligand
3. Metal-metal(Fe-Fe) bond in molecule
4. Resonance hybridization of CO
Which does not obey EAN rule?
1. [Cu(NH3)4]2+
2. [Zn(OH)4]2-
3. [HgI4]2-
4. Fe(CO)5
The coordination number and oxidation state of Cr in K3[Cr(C2O4)3] are respectively
1. 3 and +3
2. 3 and 0
3. 6 and +3
4. 4 and +2
The octahedral complex will not show geometrical isomerism is :
(A and B are monodentate ligands)
1. [MA4B2]
2. [MA5B]
3. [MA2B4]
4. [MA3B3]
According to IUPAC nomenclature sodium nitroprusside is named as
1. sodium pentacyanonitrosyl ferrate(II)
2. sodium pentacyanonitrosyl ferrate(III)
3. sodium nitroferricyanide
4. sodium nitroferrocyanide
IUPAC name of [Pt(NH3)3(Br)(NO2)Cl]Cl is:
1. | Triamminebromidochloridonitroplatinum(IV)Chloride |
2. | Triamminebromonitrocholoroplatinum(IV)Chloride |
3. | Triamminechlorobromonitroplatinum(IV)Chloride |
4. | Triamminenitrochlorobromoplatinum(IV)Chloride |
Which of the following cation does not form an amine complex with excess of ammonia?
1. Ag+
2. Cu2+
3. Cd2+
4. Na+
The coordination number of cobalt in[Co(en)2Br2]Cl2 is:
1. 2
2. 4
3. 6
4. 8
Atomic number of Cr and Fe are respectively 24 and 26 which of the following is paramagnetic with the spin of electron?
1. [Cr(CO)6]
2. [Fe(CO)5]
3. [Fe(CN)6]4-
4. [Cr(NH3)6]3+
Which compound among the following does not exhibit paramagnetism?
1. [Cu(NH3)4]Cl2
2. FeO
3. NO
4. N2O4
The correct IUPAC name of AlCl3(EtOH)4 is:
1. Aluminium (II)Chloride-4-ethanol
2. Aluminium (III)Chloride-4-ethanol
3. Aluminium (IV)Chloride-4-hydroxy ethane
4. Aluminium Chloride-4-ethanol
The complex with a square planar shape and dsp2 hybridization among the following is:
1. [Ni(CN)4]2-
2. [Cu(NH3)4]2+
3. [PtCl4]2-
4. All of these
Glycinato ligand is :
1.
2. bidentate ligand
3. two donor sites N and O-
4. all of the above
The correct name of the compound [Cu(NH3)4](NO3)2, according to IUPAC system is:
1. cuprammonium nitrate
2. tetraamminecopper(II)dinitrate
3. tetraamminecopper(II)nitrate
4. tetraamminecopper(I)dinitrate
The ionization isomer of [Cr(H2O)4Cl(NO2)]Cl is:
1. | [Cr(H2O)4(O2N)]Cl2 | 2. | [Cr(H2O)4Cl2](NO2) |
3. | [Cr(H2O)4Cl(ONO)]Cl | 4. | [Cr(H2O)4Cl2(NO2)].H2O |
Among [Ni(CO)4],[Ni(CN)4]2-, [NiCl4]2- species, the hybridisation states of the Ni atom are, respectively (At. no. of Ni=28)
1. sp3,dsp2.dsp2
2. sp3,dsp2,sp3
3. sp3,sp3,dsp2
4. dsp2,sp3,sp3
The compound that will exhibit maximum ionic conductivity in aqueous solution is:
1. K4[Fe(CN)6]
2. [Co(NH3)6]Cl3
3. [Cu(NH3)4]Cl2
4. [Ni(CO)4]
The IUPAC name of [Pt(NH3)4NO2Cl]SO4 is :
1. Chloronitroplatinum(IV)sulphate
2. Tetraamminechloridonitrito-Nplatinum(IV)sulphate
3. Chloronitrotetraammineplatinum(IV)sulphate
4. Platinum(IV)tetraamminenitrochloro sulphate
The probable formula for prussian blue is :
1. Fe3[Fe(CN)6]2
2. Fe2[Fe(CN)6]3
3. Fe4[Fe(CN)6]3
4. Fe3[Fe(CN)6]4
Which one is an outer orbital complex?
1. [Ni(NH3)6]2+
2. [Mn(CN)6]4-
3. [Co(NH3)6]3+
4. [Fe(CN)6]4-
bonding is not involved in
1. Ferrocene
2. Dibenzene Chromium
3. Zeise's Salt
4. Grignard Reagent
If excess of AgNO3 solution is added to 100ml of 0.024M Solution of dichlorobis(ethylene diamine) cobalt(III) Choloride, how many moles of AgCl will be precipitated?
1. 0.0012
2. 0.0016
3. 0.0024
4. 0.0048
The species that cannot act as an ambidentate ligand is:
1. | \(\mathrm{CN}^-\) | 2. | \(\mathrm{NO}^-_2\) |
3. | \(\mathrm{SCN}^-\) | 4. | \(\mathrm{NH_3}\) |
[Cr(en)2Br2]+ can show
(1) Optical isomerism
(2) Geometrical isomerism
(3) Both (1) and (2)
(4) Neither (1) nor (2)
The correct statement, among the following, regarding [Mn(CN)6]3- is:
1. It is sp3d2 hybridised and octahedral in shape
2. It is sp3d2 hybridised and tetrahedral in shape
3. It is d2sp3 hybridised and octahedral in shape
4. It is dsp2 hybridised and square planar in shape
EAN of Fe in K3[Fe(CN)6] is
1. 34
2. 35
3. 36
4. 47
The correct order of the stoichiometrics of AgCl formed when AgNO3 in excess is treated with the complexes:- CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3, respectively, is :
1. 1 AgCl, 3 AgCl, 2 AgCl
2. 3 AgCl, 1 AgCl, 2 AgCl
3. 3 AgCl, 2 AgCl, 1 AgCl
4. 2 AgCl, 3AgCl, 1 AgCl
Pick out the correct statement with respect to [Mn(CN)6]3-.
1. It is sp3d2 hybridised and octahedral.
2. It is d2sp3 hybridised and octahedral.
3. It is sp3d2 hybridised and tetrahedral.
4. It is dsp2 hybridised and square planar.
The hybridisation of Ni in the complex [Ni(CN)4]2- is:
(Atomic number of Ni = 28)
1. dsp2
2. sp3
3. d2sp2
4. d2sp3
The sum of coordination number and oxidation number of the metal M in the complex M(en)2(C2O4)]Cl (where, en is ethylenediamine) is :
1. 9
2. 6
3. 7
4. 8
The complex that is used as an anticancer agent is:
1. mer-[Co(NH3)3Cl3
2. cis-[PtCl2(NH3)2]
3. cis-K2[PtCl2 Br2]
4. Na2CoCl4
A magnetic moment of 1.73 BM will be shown by one among the following
1. [Cu(NH3)4]2+
2. [Ni(CN)4]2-
3. TiCl4
4. [CoCl6]4-
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
1. [Ni(NH3)6]2+
2. [Zn(NH3)6]2+
3. [Cr(NH3)6]3+
4. [Co(NH3)6]3+
The complexes [CO(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] are examples of:
1. | lonisation isomerism | 2. | Coordination isomerism |
3. | Geometrical isomerism | 4. | Linkage isomerism |
Which of the following complex ions is not expected to absorb visible light ?
1. [Ni(CN)4]2-
2. [Cr(NH3)6]3+
3. [Fe(H2O)6]2+
4. [Ni(H2O)6]2+
The d-electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour?
(1)[Mn(H2O)6]2+(2) [Fe(H2O)6]2+
(3) [Ni(H2O)6]2+(4) [Cr(H2O)6]2+
(At. no. Cr=24, Mn=25, Fe=26, Ni=28)
Copper sulphate dissolves in excess of KCN to give :
(1) CuCN
(2) [Cu(CN)4]3-
(3) [Cu(CN4]2-
(4) Cu(CN)2
[Co(NH3)4(NO2)2]Cl can show:
1. | Linkage isomerism, ionization isomerism and optical isomerism. |
2. | Linkage isomerism, ionization isomerism and geometrical isomerism. |
3. | Ionisation isomerism, geometrical isomerism and optical isomerism. |
4. | Ionisation isomerism, geometrical isomerism and optical isomerism. |
Aqueous solution of Ni2+ contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 BM.
When ammonia is added in it, the magnetic moment of solution:
1. Will remain the same.
2. Will increase from 2.83 BM.
3. Will decrease from 2.83 BM.
4. Cannot be predicted theoretically.
Which of the following is true about the complex ?
(1) It exhibits geometrical isomerism
(2) It is a paramagnetic complex
(3) Its geometry is a tetrahedron
(4) Platinum is hybridized
Which of the following isomerism, exhibited by ?
(1)Ionization
(2) Geometrical
(3) Hydrate
(4) Linkage
The hybridization of the complex is:
1.
2.
3.
4. Cannot be predicted
The following complexes are given :
(1)
(2)
(3)
(4)
(5)
(6)
Choose the correct code:
(a) (1),(2) are optically active, (3) is optically inactive
(b) (2) is optically active ; (1), (3) are optically inactive
(c) (4), (5) are coloured and (6) is colourless
(d) (4) is coloured and (5),(6) are colourless
A compound among the following has both fac-mer and optical isomers is:
1. [Co(NH3)5(NO3)]
2. [Co(en)3]3−
3. [Co(gly)3]
4. None of the above
An octahedral complex of is diamagnetic. The hybridisation involved in the formation of the complex is:
1.
2.
3.
4.