Question: Molecule of study: K3[Co(C2O4)3] a) Write down the IUPAC name, the oxidation state and electronconfiguration of the transition metal. [3 marks] b) Draw the molecular

Molecule of study: K3[Co(C2O4)3]

a) Write down the IUPAC name, the oxidation state and electronconfiguration of the transition metal. [3 marks]

b) Draw the molecular orbital (MO) diagram of the coordinationcomplex to represent the sigma bonding. [5 marks]

c) Use orbital and symmetry symbols to label energy levels andassign electrons to the energy levels in your diagram, consideringthat this compound is paramagnetic. [5 marks]

d) Clearly identify the ?o energy splitting transition on yourMO diagram and explain your choice. Calculate the splitting energyin cm-1 knowing that ?max = 600 nm. [5 marks]

e) The compound K3[Co(C2O4)3] was dissolved in ammonia (NH3) andstirred for 60 minutes. The blue-green solution turned orange andthe new complex was found to be diamagnetic. Account for the colourchange and spin configuration using the crystal field diagram ofreagent and product. [7 marks]

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a The IUPAC name of the transition metal is Potassium TrisoxalatoCobaltateIII The oxidation state of ... View full answer

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