Draw all the significant resonance structures for the species shown below. Be sure to include curved arrow notation to illustrate electron shifts in a step-by-step manner for full marks. (4 marks)
Draw all the significant resonance structures for the species shown below and rank them according to their contribution to the overall resonance hybrid (1 = contributes the most). If two structures contribute equally, rank them the same. (3 points)
Determine the absolute configurations (R or S) for the chirality centers in the following molecule and convert the structure to Fischer projection. (4 points)