JEE Questions for Chemistry Coordination Compounds Quiz 2 - MCQExams.com

The oxidation state of Cr in [Cr(NH3 )4 Cl2 ]+ is
  • 0
  • +1
  • +2
  • +3
The coordination number and oxidation number of X in the following compound [X(SO4 )(NH3 )5]Cl will be
  • 10 and 3
  • 2 and 6
  • 6 and 3
  • 6 and 4
Which compound is zero valent metal complex ?
  • [Cu(NH3 )4]SO4
  • [Pt(NH3 )2 Cl2]
  • [Ni(CO)4]
  • K3 [Fe(CN)6]
The compound having the lowest oxidation state of iron is
  • K4 Fe(CN)6
  • K2FeO4
  • Fe2O3
  • Fe(CO)5
A complex compound of Co3+ with molecular formula CoClx ∙ yNH3 gives a total of 3 ions when dissolved in water. How many Cl- ions satisfy both primary and secondary valencies in this complex ?
  • 3
  • 1
  • 4
  • zero
Pick out the complex compound in which the central metal atom obeys EAN rule strictly.
  • K4[Fe(CN) 6]
  • K3 [Fe(CN)6]
  • [Cr(H2O)6] Cl3
  • [Cu(NH3 )4] SO4
Ethylene diamine is an example of
  • monodentate ligand
  • bidentate ligand
  • tridentate ligand
  • polydentate ligand
The oxidation number of cobalt in K[Co(CO)4] is
  • +1
  • +3
  • -1
  • -3
The IUPAC name of the complex ion formed when gold dissolves in aqua-regia is
  • tetrachloridoaurate
  • tetrachloridoaurate (I)
  • tetrachloridoaurate (II)
  • dichloridoaurate (III)
In which year, IUPAC draft recommends that anionic ligands will end with iodo so that chloro would become chlorido?
  • 1994
  • 1984
  • 2000
  • 2004
According to IUPAC system, what is the correct name of the compound [Cr(NH3 )3 (H2O)3 Cl3]
  • Ttriamminetriaquachromium (III) chloride
  • Triamrninetriaquachromiumchloride (III)
  • Tetraammoniumtriaquachromium (III) chloride
  • None of the above
Which of the following complex species is not expected to exhibit optical isomerism ?
  • [Co(en)3 ]3+
  • [Co(en)2 Cl2]+
  • [Co(NH3 )3 Cl3]
  • [Co(en)(NH3 )Cl2]+
IUPAC name of K3Fe(CN)6 is
  • potassium ferricyanide
  • hexacyano ferrate (III)
  • potassium hexacyano ferrate (III)
  • potassium hexacyano ferrate (II)
The pair of [PtCl2 (NH3 )4 ] Br2 and [PtBr2 (NH3 )4 ]Cl2 constitutes a pair of
  • coordination isomers
  • linkage isomers
  • ionisation isomers
  • optical isomers
The existence of two different coloured complexes of [Co(NH3 )4 Cl2]+ is due to
  • ionisation isomerism
  • coordination isomerism
  • linkage isomerism
  • geometrical isomerism
Which among the following will be named as dibromidobis (ethylenediamine) chromium (III) bromide ?
  • [Cr(en)3 ] Br3
  • [Cr(en)2 Br2 ]Br
  • [Cr(en)Br4]-
  • [Cr(en)Br2 ]Br
Which one of the following complex ions has geometrical isomers ?
  • [Co(en)3]3+
  • [Ni(NH3)5Br]+
  • [Co(NH3)2 (en)2 ]3+
  • [Cr(NH3)4 (en)]3+
The IUPAC name of the complex [Co(NH3 )4 Cl2 ]Cl is
  • dichlorotetraamminecobalt ( III) chloride
  • tetraamminedichlorocobalt (III) chloride
  • tetraamminedichlorocobalt (II) chloride
  • tetraamminedichlorocobalt (IV) chloride
Excess of silver nitrate solution is added to 100 mL of 0.01 M pentaaquachlorochromium (III) chloride solution. The mass of silver chloride obtained in grams is (atomic mass of silver is 108).
  • 287 × 10-3
  • 143.5 × 10-3
  • 143.5 × 10-2
  • 287 × 10-2
Total number of geometrical isomers for the complex [RhCl(CO)(PPh3)(NH2 )] is
  • 1
  • 2
  • 3
  • 4
Which one of the following has an optical isomer ?
(en = ethylenediamine)
  • [Zn(en)(NH3 )2]2+
  • [Co(en)3]3+
  • [Co(H2O)4 (en)]3+
  • [Zn(en)2]2+
The IUPAC name of K2[Ni(CN)4] is
  • potassium tetracyanonickelate (II)
  • potassium tetracyanatonickelate (III)
  • potassium tetracyanatonickel (II)
  • potassium tetracyanonickel (III)
Which of the following can participate in linkage isomerism?
  • NH3
  • H2O
  • H2NCH2CH2NH2

  • Chemistry-Coordination Compounds-3099.png
Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity?
  • Hexammineplatinum (IV) chloride
  • Chloropentaammineplatinum (IV) chloride
  • Dichlorotetrammineplatinum (IV) chloride
  • Trichlorotriammineplatinum (IV) chloride
The number of water molecule(s) directly bonded to the metal centre in CuSO4 ∙ 5H2O is
  • 1
  • 2
  • 3
  • 4
Which of the following has on optical isomer ?
  • [Co(NH3)3 Cl]+
  • [Co(en)(NH3)2 ]2+
  • [Co(H2O)4 (en)] 3+
  • [Co(en)2 (NH3)2 ] 3+
The IUPAC name of [Co(NH3 )5 ONO]2+ ion is
  • pentaamminenitritocobalt (IV) ion
  • pentaamminenitrocobalt (II) ion
  • pentaamminenitritocobalt (III) ion
  • pentaamminenitrocobalt (V) ion
For the given complex [CoCl2 (en)(NH3 )2]+ , the number of geometrical isomers, the number of optical isomers and total number of isomers of all type possible respectively are
  • 2, 2 and 4
  • 2, 1 and 3
  • 2, 0 and 2
  • 0, 2 and 2
For square planar complex of platinum (II), [Pt(NH3 )(Br)(Cl)Py ]2+, how many isomeric forms are possible ?
  • Two
  • Three
  • Four
  • Six
The IUPAC name of[Ni(NH3 )4 ][NiCl4 ] is
  • tetrachloronickel (II) - tetraamminenickel (II)
  • tetraamminenickel (II) - tetrachloronickel (II)
  • tetraamminenickel (II) - tetrachloronickelate (II)
  • tetrachloronickel (II) - tetraammine nickelate (0)
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