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(Solved): 6) Below is a diagram of the molecular orbitals of the n-system in benzene. Imperial College London ...
6) Below is a diagram of the molecular orbitals of the n-system in benzene. Imperial College London Benzene molecular orbitals Energy 44 42 - - # # # 41 a) Why do the 2p orbitals have different colored lobes? 45 43 [2 mark] b) Identify the bonding molecular orbitals and the anti-bonding molecular orbitals on the diagram. [2 marks] c) Why are the bonding orbitals lower in energy than the anti-bonding orbitals? [2 marks] d) Identify the HOMO and the LUMO on the diagram. [2 marks] c) Why is molecular orbital theory required for understanding the bonding in benzene? [2 marks]
Expert Answer
Answers to questions a to e, are briefly discussed below. Explanation: a)The colored and uncolored o of a p orbital refer to the displacement of the electron wave (up or down) in the p orbital. The colored lobe increases the electron density on that