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Application of the polygon-and-circle technique reveals that single electrons occupy each of the two nonbonding orbitals in the molecular orbital diagram of:
Q19: Draw the resonance structures that account for
Q73: Which of the reagents listed below would
Q81: Supply the missing reagents A and B.
Q94: The substituent R on the bicyclic compound
Q115: Which reaction would produce the following compound?
Q134: Which of these dienes can undergo the
Q151: In the molecular orbital model of cycloheptadienyl
Q163: Predict the product(s)of the following reaction sequence:
Q179: Which is the IUPAC name for the
Q205: A good synthesis of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5902/.jpg" alt="A