Lesson 3.2.5.1

3.2.5.1 General properties of transition metals Quiz: AQA Chemistry, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 3.2.5.1, General properties of transition metals: 20 multiple choice questions for the AQA Chemistry (7405), Unit 2: Inorganic chemistry, written with Revision Ninja.

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The 20 questions

  1. Which of these is NOT a characteristic property of transition metals?

    • Complex formation
    • Coloured ions
    • Fixed oxidation state
    • Catalytic activity

  2. What feature of atoms or ions of Ti to Cu gives rise to their characteristic transition metal properties?

    • An incomplete d sub-level
    • A completely filled d sub-level
    • An incomplete p sub-level
    • A completely filled s sub-level

  3. Which of these is a transition metal in the Ti to Cu range?

    • Titanium
    • Aluminium
    • Calcium
    • Zinc

  4. What type of species donates an electron pair to a transition metal ion?

    • A free radical
    • A cation
    • A ligand
    • An electrophile

  5. What term describes a central metal ion surrounded by co-ordinately bonded ligands?

    • Lattice
    • Isomer
    • Polymer
    • Complex

  6. What is the co-ordination number of the central copper ion in [Cu(NH3)4]2+?

    • 4
    • 8
    • 2
    • 6

  7. What is the co-ordination number of the central iron ion in [Fe(H2O)6]3+?

    • 6
    • 3
    • 9
    • 4

  8. What is the co-ordination number of the central cobalt ion in [Co(C2O4)3]3-, where C2O4^2- is a bidentate ligand?

    • 4
    • 9
    • 3
    • 6

  9. Which species is acting as a ligand in the complex [Cu(NH3)4]2+?

    • NH3 molecule
    • Cu2+ ion
    • Hydrogen ion
    • Nitrogen atom

  10. Which property is shown when Fe2+ ions are oxidised to Fe3+ ions?

    • Variable oxidation state
    • Ionic bonding only
    • Complex formation only
    • Radioactivity

  11. Why are aqueous zinc(II) ions colourless compared to copper(II) ions?

    • Empty 3d subshell
    • Full 4s subshell
    • Incomplete 3d subshell
    • Full 3d subshell

  12. Which property distinguishes transition metals from Group 2 metals such as calcium?

    • Forming positive ions
    • Conducting electricity
    • Forming coloured compounds
    • Reacting with water

  13. In [Cu(H2O)6]2+ what type of bond joins each water ligand to the copper ion?

    • Ionic bond
    • Hydrogen bond
    • Metallic bond
    • Co-ordinate (dative) bond

  14. What is the co-ordination number of [CuCl4]2-?

    • 2
    • 4
    • 6
    • 8

  15. The complex [Ni(H2NCH2CH2NH2)3]2+ contains three bidentate ligands. What is its co-ordination number?

    • 3
    • 9
    • 6
    • 4

  16. Which property enables transition metals to act as effective catalysts?

    • Variable oxidation states
    • High electrical conductivity
    • Fixed valency values
    • High electronegativity

  17. What is donated by a ligand when forming a co-ordinate bond with a metal ion?

    • Lone electron pair
    • Single electron
    • Neutron pair
    • Proton pair

  18. What does the co-ordination number of a complex ion represent?

    • Metal oxidation state
    • Co-ordinate bond count
    • Number of metals
    • Total ion charge

  19. Which feature of transition metal ions allows them to accept ligand electron pairs?

    • Delocalised electrons
    • Vacant s subshells
    • Filled p orbitals
    • Vacant d orbitals

  20. What is the co-ordination number of the silver ion in [Ag(NH3)2]+?

    • 2
    • 1
    • 6
    • 4

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