Quiz 1 Questions with Solutions - Organic Chemistry II | CHEM 3020, Quizzes of Organic Chemistry

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28 pts Name. KO | CHEM 3020 Quiz 1, February 1, 2011 1. Use Hiickel’s Rule to designate the following molecules as aromatic, anti-aromatic, or non- aromatic. Assume all are planar. (6 pts) Qe Tote 20, HN’ 2 Oo are” oy © ve A MK WOMGAE B._Qromak ic caro 2. Circle the structure with the most acidic proton (consider the one indicated). (2 pts): H<—— a S BQ . 2 i OS @) Os L—) Be ae Nob growokad 3. Hiickel’s Rule predicts that the following molecule at left should be aromatic, but it is not. Explain. (2 pts). 4c Aametaty requ? dare, Cyche a {Oe plea p abitels , (10) ar wtere canna be Plover \Ipecewmse Ws wrU no St. 4. Draw two more resonance structures for the following antioxidant (phenoxy radical). (2 pts) Asogned us Homan (Un. 15 wrote s) Ob Ges =. ee —- Spo 5. Use the inscribed polygon method to predict the oceupied MO energy levels for benzene. (2 pts) a — 1 a €=0 bon Parr dowry SEE BACK FOR MORE FUN!