1 .		If benzene had completely localized double bonds, how many dibromo-substituted benzenes would be possible? [Hint]
2 .		Which of the following compounds contains a nitrogen atom whose lone pair electrons are not involved in resonance? [Hint]
3 .		How many monosubstituted derivatives are possible for CH2=CH-CH=CH2? [Hint]
4 .		How large are the C-C-C angles in benzene? [Hint]
5 .		Kekulé claims that he first conceived the idea of benzene’s ring structure in a dream. What was he dreaming of? [Hint]
6 .		Four of the following terms have the same meaning, while one of the terms has a different meaning. Identify the latter term. [Hint]
7 .		What is the formal charge on each of the two oxygen atoms in nitromethane (CH3NO2)? [Hint]
8 .		Which of the following instructions does not lead to a correct resonance structure? [Hint]
9 .		How many resonance structures are important for CH2=CH—CH=CH-(+)CH2, and of these, how many are degenerate pairs? [Hint]
10 .		Which of the following compounds has delocalized electrons? [Hint]
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