JEE Questions for Chemistry Coordination Compounds Quiz 1 - MCQExams.com

Benzoylacetonato beryllium exhibit isomerism of the type
  • structural
  • geometrical
  • optical
  • conformational
The oxidation state and covalency of Al in [AlCl(H2O)5 ]2+ , respectively are
  • +6, 6
  • +3, 6
  • +2, 6
  • +3, 3
What is the oxidation number of Pt in K[PtNH3 Cl5] ? ?
  • 0
  • +1
  • +2
  • +4
EDTA can form complex with how many number of donor atoms ?
  • One
  • Two
  • Six
  • Three
Which of the following is a negatively charged bidentate ligand ?
  • Cyano
  • Ethylenediamine
  • Acetato
  • Dimethyl glyoxime
Oxidation state of Fe in [Fe(H2O)5 NO+ ]SO4 is
  • 0
  • 1
  • 2
  • 3
A group of atoms can function as a ligand only when
  • it is a small molecule
  • it has an unshared electron pair
  • it is a negatively charged ion
  • it is a positively charged ion
The oxidation state of Fe in the brown ring complex [Fe(H2O)5NO]SO4 is
  • +3
  • 0
  • +2
  • +1
The name of the ring structure complex compound formed between metal ion and polydentate ligand is
  • simple complex
  • chelate complex
  • polynuclear complex
  • None of the above
Which of the following system is most stable for a chelate ?
  • Two fused cyclic system
  • Three fused cyclic system
  • Four fused cyclic system
  • Five fused cyclic system
The oxidation state and effective atomic number (EAN) of cobalt [CoF6]2- respectively, are
  • 3 and 36
  • 4 and 35
  • 4 and 37
  • 2 and 35
A complex compound in which the oxidation number of a metal is zero, is
  • K4 [Fe(CN)6 ]
  • K3[Fe(CN)6]
  • [Ni(CO)4]
  • [Pt(NH3)4 ]Cl2
A ligand can also be regarded as
  • Lewis acid
  • Bronsted base
  • Lewis base
  • Bronsted acid
The primary and secondary valencies of chromium in the complex ion, dichlorodioxalatochromium (III), respectively are
  • 3, 4
  • 4, 3
  • 3, 6
  • 6, 3
  • 4, 4
The effective atomic number of Cr (atomic number =in [Cr(NH3 )6 ]Cl3 is
  • 35
  • 27
  • 33
  • 36
Which of the following is hexadentate ligand ?
  • 1, 10-phenanthroline
  • Acetyl acetonato
  • Ethylene diamine
  • Ethylene diamine tetra acetic acid
In the coordination compound, K4 [Ni(CN)4 ], the oxidation state of nickel is
  • -1
  • 0
  • +1
  • +2
The number of unidentate ligands in the complex ion is called
  • oxidation number
  • primary valency
  • coordination number
  • EAN
The oxidation state of iron in K4 [Fe(CN)6 ] is
  • 1
  • 4
  • 3
  • 2
Which complex cannot ionise in solution?
  • [CoCl3(NH3 )3]
  • K4[Fe(CN)6]
  • K2 [Pt(F6 )]
  • [Pt(NH3 )6 ] Cl4
The oxidation number of platinum in [Pt(NH3 )5 Cl]Cl3 is
  • 2
  • 3
  • 4
  • 6
What is the EAN of nickel in Ni(CO)4?
  • 38
  • 30
  • 36
  • 32
The tetrahedral complexes have coordination number
  • 3
  • 6
  • 4
  • 8
The coordination number of a central metal atom in a complex is determined by
  • the number of ligands around a metal ion bonded by σ-bonds
  • the number of ligands around a metal ion bonded by π-bonds
  • the number of ligands around a metal ion bonded by σ- and π-bonds both
  • the number of only anionic ligands bonded to the metal ion
How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion ?
  • six
  • three
  • one
  • two
[Pt(NH3 )6 ]Cl4 complex gives
  • 4 ions
  • 3 ions
  • 2 ions
  • 5 ions
The coordination number of Cu in [Cu(H2O)4 ]2+ complex is
  • 2
  • 1
  • 3
  • 4

Chemistry-Coordination Compounds-3095.png
  • [Pd(NH3 )6 ]Cl4
  • [Cr(NH3 )5 Cl]SO4
  • Na4 [Fe(CN)6 ]
  • K3 [Fe(CN)6 ]
The number of moles of ions given on complete ionisation of one mole of [Co(NH3 )6 ]Cl3 is/are
  • 4
  • 3
  • 2
  • 1
The coordination number in a/an ........... complex may increase to 8.
  • cobalt
  • osmium
  • nickel
  • iron
0:0:1


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