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Assignment_4_2011_Answers - CHM 1321 Assignment 4 Answers 1...

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CHM 1321 Assignment 4 Answers 1) Draw the important resonance forms and show the resonance hybrid structures for the following:
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Assignment 4 - Answers 2
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Assignment 4 - Answers 3
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Assignment 4 - Answers 4 2) For the following resonance forms, label the major and minor resonance forms, and show which ones are of equal energy. Justify your choices.
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Assignment 4 - Answers 5 3) For each pair of ions, determine which is more stable. Justify your answer in each case. a) Delocalization with the lone pairs of the oxygen stabilizes the second compound. b) Delocalization with the electrons in the double bond stabilizes the first compound. In the second compound, the double bond is too far away. The CH 2 carbon has no lone pairs to donate to the positively charged carbon. c) Delocalization with the lone pairs of the nitrogen stabilizes the second compound. d) Delocalization with the electrons in the double bond stabilizes the first compound. In the second compound, the double bond is too far away. The CH 2 carbon has no lone pairs to donate to the positively charged carbon.
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Assignment 4 - Answers 6 e) Delocalization with the lone pairs of the nitrogen stabilizes the first compound. f) Delocalization with the lone pairs of both oxygens stabilizes the first compound.
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Assignment 4 - Answers 7 4) For the following pairs of compounds, predict which one will be the strongest acid and justify your choice.
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Assignment 4 - Answers
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