1 .		Which statement most closely describes "delocalized electrons"? [Hint]
2 .		How many products are possible when a substituted benzene, C6H5X, undergoes a second substitution by Y? [Hint]
3 .		What reaction conditions are used to hydrogenate benzene to cyclohexane? [Hint]
4 .		What is resonance energy? [Hint]
5 .		How many disubstituted derivatives are possible for CH2=CH-CH=CH2? [Hint]
6 .		What is the hybridization of the carbon atoms in benzene? [Hint]
7 .		Which of the following best describes the location of benzene's delocalized pi electrons? [Hint]
8 .		What kind of arrow is used to indicate contributing resonance structures? [Hint]
9 .		Which statement about resonance contributors is not true? [Hint]
10 .		Which of the following is not a resonance contributor of carbon dioxide? [Hint]
11 .		Which of the following compounds contains a nitrogen with a lone pair that is not engaged in resonance? [Hint]
12 .		What charges are on the three oxygen atoms of the nitrate ion, NO3-? [Hint]
13 .		Which of the following contributing resonance structures would contribute the least to the resonance hybrid of the ketone? [Hint]
14 .		Which of the following significantly reduces the contribution of a resonance contributor to the hybrid? [Hint]
15 .		How large is the "resonance energy" of benzene? [Hint]
16 .		How many resonance contributors are important for the benzylic cation, and how many of these are degenerate pairs? [Hint]
17 .		Which of the following is a tertiary allylic carbocation? [Hint]
18 .		Identify the correct relative stabilities of the carbocations. [Hint]
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