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6. Colour changes can only arise from a change of ligand

  • False
  • True

7. Colour arises from electronic transitions from the ground state to excited states

  • True
  • False

8. Which of the following best describes the shape of the cisplatin complex

  • Tetrahedral
  • Octahedral
  • Square Planar
  • Linear

9. Cr3+ and Cr2+ are formed by the reduction of Cr2O72- in alkali solution

  • False
  • True

10. Co2+ is oxidised by air in ammoniacal solution

  • True
  • False