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12. Answer ALL parts (a)-(e)

(a) What are hybridised atomic orbitals?

(b) What is the relationship between the number of atomic orbitals that

hybridise, and the number of hybrid orbitals formed?

(c) What angles are associated with orbitals in the following sets of hybrid

orbitals? (i) sp; (ii) sp3 Sketch both.

(d) Draw the Lewis structure of CH3CN. Indicate the hybrid orbitals and

draw a picture showing all the bonds between the atoms, labelling each

bond as σ or π.

(e) Can CH3CN function as a ligand? If your answer is “Yes”, explain how?