Coordination Compounds

Class 12 · Chemistry

35 questions13 easy12 medium10 hard

Sample Questions

Q1.Ethane-1,2-diamine (en) is classified as which type of ligand?

  • AUnidentate
  • BBidentate (didentate)
  • CTridentate
  • DHexadentate

Q2.In the IUPAC nomenclature of coordination compounds, ligands are named:

  • AAfter the central metal atom
  • BBefore the central metal atom in alphabetical order
  • CBefore the central metal atom in order of charge
  • DAfter the counter ions

Q3.A complex [CoCl2(en)2]⁺ exists in both cis and trans forms. Only the cis form shows optical isomerism. Why?

  • AThe trans form has a higher coordination number
  • BThe trans form has a plane of symmetry making it achiral, while the cis form is chiral
  • CThe cis form has a different oxidation state of Co
  • DThe trans form contains different types of ligands

Q4.Which of the following does NOT show geometric isomerism?

  • A[Pt(NH3)2Cl2] (square planar)
  • B[Co(NH3)4Cl2]⁺ (octahedral)
  • C[Ni(CO)4] (tetrahedral)
  • D[CoCl2(en)2]⁺ (octahedral)

Q5.EDTA⁴⁻ is an example of which type of ligand?

  • AUnidentate
  • BBidentate
  • CTridentate
  • DHexadentate

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Coordination Entity and Central AtomCoordination NumberCrystal Field SplittingCrystal Field TheoryGeometric IsomerismImportance of Coordination CompoundsLigands and Types of LigandsMagnetic PropertiesNomenclature of Coordination CompoundsOptical IsomerismStructural IsomerismValence Bond TheoryWerner's Theory

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