JEE Questions for Chemistry Coordination Compounds Quiz 7 - MCQExams.com

The total number of possible isomers of the complex compound [CuII(NH3)4]PtII Cl4] is
  • 3
  • 6
  • 5
  • 4
CuSO4 reacts with KCN solution and forms
  • Cu(CN)
  • Cu(CN)2
  • K3[Cu(CN)4
  • K4[Cu(CN)6]
Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are
  • Complex salts
  • Double salts
  • Normal salts
  • None
In [Co(NH3)6]Cl3 the number of covalent bonds is
  • 3
  • 6
  • 9
  • 18
The IUPAC name of K3 [Ir(C2O4)3] is
  • potassium trioxalatoiridium (III)
  • potassium trioxalatoiriedate (III)
  • potassium tris (oxalato) iridium (III)
  • potassium tris (oxalato) iridate (III)
The effective atomic number of iron in [Fe(CN)6]3− is
  • 34
  • 36
  • 37
  • 35
Which of the following cannot show linkage isomerism ?

  • Chemistry-Coordination Compounds-3133.png
  • SCN‒
  • CN‒
  • NH3
The type of isomerism present in nitropentaamminechromium (III) chloride is
  • optical
  • Linkage
  • Ionization
  • Polymerization
According to IUPAC nomenclature, sodium nitroprusside is named as
  • Sodium nitroferricyanide
  • Sodium nitroferrocyanide
  • Sodium pentacyanonitrosylferrate (II)
  • Sodium pentacyanonitrosylferrate (III)
The number of unpaired electrons in the complex ion [CoF6]3- is (At.No of Co=27)
  • 2
  • 3
  • 4
  • zero
Among the following which is not the π - bonded organometallic compound ?

  • Chemistry-Coordination Compounds-3134.png
  • 2)
    Chemistry-Coordination Compounds-3135.png

  • Chemistry-Coordination Compounds-3136.png

  • Chemistry-Coordination Compounds-3137.png
The octahedral complex of a metal ion M 3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is
  • L4 < L3 < L2 < L1
  • L1 < L3 < L2 < L4
  • L3 < L2 < L4 < L1
  • L1 < L2 < L4 < L3
Which of the following complex will show geometrical as well as optical isomerism ? en = ethylenediamine
  • [Pt (NH3)2Cl2]
  • [Pt (NH3)Cl4]
  • [Pt (en)3]4+
  • [Pt (en)2Cl2]
In which one of the pairs of ion given, there is an ion that forms a coordination compound with both aqueous sodium hydroxide and ammonia and an other ion that forms a coordination compound only with aqueous sodium hydroxide ?
  • Pb2+ , Cu2+
  • Zn2+ , Al3+
  • Cu2+ , Zn2+
  • Al3+ , Cu2+
Which complex compound obeys 18-electron rule ?
  • [V(CO)5]
  • [Fe(NH3 )6 ]2+
  • [Ni(CO)6]
  • [Mn(H2O)6]2+
Which of the following is correct IUPAC name for K2 [Cr(CN)2 O2 (O)2NH3 ] ?
  • Potassium amminecyanoperoxodioxochromatic (III)
  • Potassium amminecyanoperoxodioxochromium (II)
  • Potassium amminecyanoperoxodioxochromium (VI)
  • Potassium amminedicyanodioxoperoxochromate (VI)
The ionisation isomer of [Cr(H2O)4 Cl (NO2 )] a is
  • [Cr(H2O)4(O2N)] Cl2
  • [Cr(H2O)4Cl2 ](NO2)
  • [Cr(H2O)4Cl(ONO)] Cl
  • [Cr(H2O)4 Cl2 (NO2)] ∙ H2O
A solution containing 2.675 g of CoCl3 ∙ 6NH3 (molar mass = 267.5 g mol-1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol-1). The formula of the complex is (Atomic mass of Ag = 108 u)
  • [Co(NH3 )6 ]Cl3
  • [CoCl2(NH)3 ]4Cl
  • [COCl3 (NH3 )3]
  • [CoCl(NH3 )5 ]Cl2
Which of the following pairs represents linkage isomers ?
  • [Cu(NH3)4][PtCl4] and [Pt(NH3)4 ][CuCl4]
  • [Pd(PPh3)2 (NCS)2 and [Pd(PPh3)2 (SCN)2]
  • [Co(NH3)5]NO3 SO4 and [Co(NH3)5 SO4]NO3
  • [PtCl2 (NH3)4]Br2 and [PtBr2 (NH3)4]Cl2
Which of the following can exhibit geometrical isomerism ?
  • [MnBr4]2-
  • [Pt(NH3)3 Cl]+
  • [PtCl2 ∙P(C2H5)3]2
  • [Fe(H2O)5 NO]2+
Give name of the complex, name should specify the position of ligands.
Chemistry-Coordination Compounds-3141.png
  • bistransphosphinecarbonylchloroiridium [II]
  • carbonylchlorobistransphosphineiridium [III]
  • carbonylchlorobistransphosphineiridium [I]
  • chlorocarbonylbistransphosphineiridium [I]
Among [Fe(H2O)6]3+ ,[Fe(CN)6 ]3- , [Fe(Cl)6]3- species, the hybridisation state of the Fe atom are, respectively
  • d 2 sp3, d 2 sp3, sp3 d 2
  • sp3 d 2, d 2 sp3, d 2 sp3
  • sp3 d 2, d 2 sp3, sp3d 2
  • None of the above
Consider the following complex ions, P,Q and R.
P = [FeF6]3- ,Q = [V(H2O)6]2+ and
R = [Fe(H2O)6]2+ .
The correct order of the complex ions, according to their spin-only magnetic moment values(in BM is)
  • R < Q < P
  • Q < R < P
  • R < P < Q
  • Q < P < R
Among the following complexes (K-P), K3[Fe(CN)6 ](K),
[Co(NH3)6]Cl3(L), Na3[Co(ox)3 ](M)
[Ni(H2O)6]Cl2(N), K2 [Pt(CN)4](O) and
[Zn(H2O)6 ](NO3 )2 (P) the diamagnetic complexes are
  • K , L , M , N
  • K , M , O , P
  • L , M , O , P
  • L , M , N , O
Among the ligands NH3, en, CN- and CO, the correct order of their increasing field strength, is
  • CO < NH3 < en < CN-
  • NH3 < en < CN- < CO
  • CN- < NH3 < CO < en
  • en < CN- < NH3 < CO
Which one of the following complex is an outer orbital complex?
(Atomic number of Mn = 25, Fe = 24, Co = 27, Ni =
  • [Fe(CN)6]4-
  • [Mn(CN)6]4-
  • [Co(NH3 )6]3+
  • [Ni(NH3 )6]2+
Show the coordination number of the metal ion, its oxidation number, the number of electrons in d-orbitals and the number of unpaired electrons in d-orbitals respectively in complex [Co(H2O)4SO3]Cl.
  • 6, 3, 6, 4
  • 6, 3, 6, 0
  • 5, 3, 6, 4
  • 5, 3, 6, 0
Hybridisation, shape and magnetic moment of K3 [Co(CO3 )3] is
  • d 2 sp3 , octahedral, 4.9 BM
  • sp3d 2, octahedral, 4.9 BM
  • dsp2 , square planar, 4.9 BM
  • sp3, tetrahedral, 4.9 BM
The correct order of magnetic moments (spin only values in BM) among the following is
(atomic number of Mn = 25, Fe = 26, Co =
  • [MnCl4]2- > [CoCl4]2- > [Fe(CN)6]4-
  • [MnCl4]2- > [Fe(CN)6]4- > [CoCl4]2-
  • [Fe(CN)6]4- > [MnCl4]2- > [CoCl4]2-
  • [Fe(CN)6]4- > [CoCl4]2- > [MnCl4]2-
The value of the 'spin only' magnetic moment for one of the following configurations is 2.84 BM. The correct one is
  • d 5 (in strong ligand field)
  • d 3 (in weak as well as strong ligand fields)
  • d 4 (in weak ligand field)
  • d 4 (in strong ligand field)
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